Revert "Merge branch 'discord'"

This reverts commit e7b9a57723, reversing
changes made to 02b4aa3c91.

Revert "moved rapidjson files"

This reverts commit f5012f770c.

include/Defines.h

@@ -1,7 +1,11 @@
 #pragma once
 
+#include <cstdint>
+
 namespace td {
 
+static constexpr float PI = 3.141592653f;
+
 template<typename T>
 struct Vec2 {
 	union {
@@ -14,11 +18,14 @@ struct Vec2 {
 		T g;
 	};
 
-    Vec2(T X = 0, T Y = 0) : x(X), y(Y) {}
-
-    friend bool operator==(const Vec2& vec2, const Vec2& other) { return vec2.x == other.x && vec2.y == other.y; }
+	constexpr Vec2(T X = 0, T Y = 0) : x(X), y(Y) {}
 };
 
+template<typename T>
+inline bool operator==(const Vec2<T>& vec2, const Vec2<T>& other) {
+	return vec2.x == other.x && vec2.y == other.y;
+}
+
 template<typename T>
 struct Vec3 {
 	union {
@@ -36,9 +43,45 @@ struct Vec3 {
 		T b;
 	};
 
-    Vec3(T X = 0, T Y = 0, T Z = 0) : x(X), y(Y), z(Z) {}
+	constexpr Vec3(T X = 0, T Y = 0, T Z = 0) : x(X), y(Y), z(Z) {}
 };
 
+template<typename T>
+inline bool operator==(const Vec3<T>& vec3, const Vec3<T>& other) {
+	return vec3.x == other.x && vec3.y == other.y && vec3.z == other.z;
+}
+
+template<typename T>
+struct Vec4 {
+	union {
+		T x;
+		T r;
+	};
+
+	union {
+		T y;
+		T g;
+	};
+
+	union {
+		T z;
+		T b;
+	};
+
+	union {
+		T w;
+		T a;
+	};
+
+	constexpr Vec4(Vec3<T> vec, T W = 1) : x(vec.x), y(vec.y), z(vec.z), w(W) {}
+	constexpr Vec4(T X = 0, T Y = 0, T Z = 0, T W = 0) : x(X), y(Y), z(Z), w(W) {}
+};
+
+template<typename T>
+inline bool operator==(const Vec4<T>& vec4, const Vec4<T>& other) {
+	return vec4.x == other.x && vec4.y == other.y && vec4.z == other.z && vec4.w = other.w;
+}
+
 using Vec2i = Vec2<int>;
 using Vec2u = Vec2<unsigned int>;
 using Vec2f = Vec2<float>;
@@ -49,4 +92,57 @@ using Vec3u = Vec3<unsigned int>;
 using Vec3f = Vec3<float>;
 using Vec3d = Vec3<double>;
 
+using Vec4i = Vec4<int>;
+using Vec4u = Vec4<unsigned int>;
+using Vec4f = Vec4<float>;
+using Vec4d = Vec4<double>;
+
+using Color = Vec3<unsigned char>;
+
+template<typename T>
+struct Mat4 {
+	static const std::size_t MATRIX_SIZE = 4;
+
+	T x0, x1, x2, x3;
+	T y0, y1, y2, y3;
+	T z0, z1, z2, z3;
+	T w0, w1, w2, w3;
+
+	T operator[] (std::size_t offset) const {
+		return reinterpret_cast<const T*>(this)[offset];
+	}
+
+	T& operator[] (std::size_t offset) {
+		return reinterpret_cast<T*>(this)[offset];
+	}
+
+	T* data() {
+		return reinterpret_cast<T*>(this);
+	}
+
+	const T* data() const{
+		return reinterpret_cast<const T*>(this);
+	}
+
+	T at(std::size_t row, std::size_t column) const {
+		return operator[](row * MATRIX_SIZE + column);
+	}
+
+	T& at(std::size_t row, std::size_t column) {
+		return operator[](row * MATRIX_SIZE + column);
+	}
+};
+
+typedef Mat4<float> Mat4f;
+typedef Mat4<int> Mat4i;
+typedef Mat4<double> Mat4d;
+
+template<typename T>
+inline bool operator==(const Mat4<T>& mat, const Mat4<T>& other) {
+	return mat.x0 == other.x0 && mat.y0 == other.y0 && mat.z0 == other.z0 && mat.w0 == other.w0 &&
+		mat.x1 == other.x1 && mat.y1 == other.y1 && mat.z1 == other.z1 && mat.w1 == other.w1 &&
+		mat.x2 == other.x2 && mat.y2 == other.y2 && mat.z2 == other.z2 && mat.w2 == other.w2 &&
+		mat.x3 == other.x3 && mat.y3 == other.y3 && mat.z3 == other.z3 && mat.w3 == other.w3;
+}
+
 } // namespace td

include/game/Mobs.h

@@ -89,6 +89,7 @@ private:
 	Direction m_Direction;
 	std::vector<EffectDuration> m_Effects;
 	const Tower* m_LastDamage;   // the last tower that damaged the mob
+	float m_HitCooldown;
 
 	utils::Timer m_EffectFireTimer;
 	utils::Timer m_EffectPoisonTimer;
@@ -99,7 +100,7 @@ private:
 
 public:
 	Mob(MobID id, MobLevel level, PlayerID sender) : m_Sender(sender), m_Level(level),
-        m_EffectFireTimer(1000), m_EffectPoisonTimer(1000),
+		m_HitCooldown(0), m_EffectFireTimer(1000), m_EffectPoisonTimer(1000),
 		m_EffectHealTimer(1000), m_CastleTarget(nullptr), m_AttackTimer(1000) {
 
 	}
@@ -123,8 +124,16 @@ public:
 	const Tower* GetLastDamageTower() { return m_LastDamage; }
 	bool HasReachedEnemyCastle() { return m_CastleTarget != nullptr; }
 
-    void Damage(float dmg, const Tower* damager) { m_Health = std::max(0.0f, m_Health - dmg); m_LastDamage = damager; }
-    void Heal(float heal) { m_Health = std::min(static_cast<float>(GetStats()->GetMaxLife()), m_Health + heal); }
+	void Damage(float dmg, const Tower* damager) {
+		m_Health = std::max(0.0f, m_Health - dmg);
+		m_LastDamage = damager;
+		m_HitCooldown = 0.1;
+	}
+
+	void Heal(float heal) {
+		m_Health = std::min(static_cast<float>(GetStats()->GetMaxLife()), m_Health + heal);
+	}
+
 	void SetMobReachedCastle(TeamCastle* castle) { m_CastleTarget = castle; } // used when mob is in front of the castle
 
 	bool IsImmuneTo(TowerType type);
@@ -133,6 +142,8 @@ public:
 	void AddEffect(EffectType type, float durationSec, Tower* tower);
 	bool HasEffect(EffectType type);
 
+	bool HasTakenDamage() { return m_HitCooldown > 0; }
+
 	float GetTileX() { return GetCenterX() - static_cast<float>(static_cast<std::int32_t>(GetCenterX())); } // returns a float between 0 and 1 excluded
 	float GetTileY() { return GetCenterY() - static_cast<float>(static_cast<std::int32_t>(GetCenterY())); } // returns a float between 0 and 1 excluded
 

include/game/Towers.h

@@ -136,7 +136,8 @@ private:
 	bool m_IsBigTower;
 public:
 	TowerInfo(std::string&& name, std::string&& description, bool big) : m_Name(std::move(name)),
-        m_Description(std::move(description)), m_IsBigTower(big) {}
+		m_Description(std::move(description)), m_IsBigTower(big) {
+	}
 
 	const std::string& GetName() const { return m_Name; }
 	const std::string& GetDescription() const { return m_Description; }

include/game/World.h

@@ -28,7 +28,7 @@ struct ChunkCoord {
 namespace std {
 template <>
 struct hash<td::game::ChunkCoord> {
-    std::size_t operator()(const td::game::ChunkCoord& key) const noexcept{
+	std::size_t operator()(const td::game::ChunkCoord& key) const noexcept {
 		return std::hash<std::int16_t>()(key.x << 16 | key.y);
 	}
 };
@@ -58,10 +58,6 @@ enum class TileType : std::uint8_t {
 	Ice,*/
 };
 
-struct Color {
-    std::uint8_t r, g, b;
-};
-
 static constexpr Color BLACK{ 0, 0, 0 };
 static constexpr Color WHITE{ 255, 255, 255 };
 

include/game/client/ClientConnexion.h

@@ -12,6 +12,7 @@ private:
 	std::uint8_t m_ConnectionID;
 	std::string m_DisconnectReason;
 	float m_ServerTPS;
+	float m_ServerMSPT;
 	int m_Ping = 0;
 public:
 	ClientConnexion();
@@ -25,6 +26,7 @@ public:
 
 	const std::string& GetDisconnectReason() const { return m_DisconnectReason; }
 	float GetServerTPS() const { return m_ServerTPS; }
+	float GetServerMSPT() const { return m_ServerMSPT; }
 	int GetServerPing() const { return m_Ping; }
 
 	REMOVE_COPY(ClientConnexion);

include/game/server/Server.h

@@ -22,6 +22,7 @@ typedef std::map<std::uint8_t, ServerConnexion> ConnexionMap;
 class TickCounter {
 private:
 	float m_TPS;
+	float m_MSPT;
 	std::uint64_t m_LastTPSTime;
 	std::uint8_t m_TickCount;
 public:
@@ -46,6 +47,9 @@ public:
 	}
 
 	float GetTPS() const { return m_TPS; }
+	float GetMSPT() const { return m_MSPT; }
+
+	void SetMSPT(float mspt) { m_MSPT = mspt; }
 };
 
 class Server {

include/game/server/ServerConnexion.h

@@ -11,8 +11,7 @@ namespace server {
 
 class Server;
 
-struct KeepAlive
-{
+struct KeepAlive {
 	std::uint64_t keepAliveID = 0;
 	std::uint64_t sendTime;
 	bool recievedResponse = false;

include/misc/Format.h

@@ -8,13 +8,13 @@ namespace td {
 namespace utils {
 
 template <typename... Args>
-std::string format(const std::string& format, Args... args){
+std::string format(const std::string& format, Args... args) {
 	int size = snprintf(nullptr, 0, format.c_str(), args...) + 1; // Extra space for '\0'
-	if (size <= 0){
+	if (size <= 0) {
 		throw std::runtime_error("Error during formatting.");
 	}
 	std::unique_ptr<char[]> buf(new char[size]);
-	snprintf(buf.get(), size, format.c_str(), args...);
+	snprintf(buf.get(), static_cast<std::size_t>(size), format.c_str(), args...);
 	return std::string(buf.get(), buf.get() + size - 1); // We don't want the '\0' inside
 }
 

include/misc/Maths.h

@@ -0,0 +1,177 @@
+#pragma once
+
+#include "Defines.h"
+#include <cmath>
+
+namespace td {
+
+//////////////////////////////////////////////////////////////////
+// 						   Operators							//
+//////////////////////////////////////////////////////////////////
+
+template<typename T>
+Vec2<T> operator+(const Vec2<T>& vect, const Vec2<T>& other) {
+	return {vect.x + other.x, vect.y + other.y};
+}
+
+template<typename T>
+Vec2<T> operator- (const Vec2<T>& vect) {
+	return { -vect.x, -vect.y };
+}
+
+template<typename T>
+Vec2<T> operator- (const Vec2<T>& vect, const Vec2<T>& other) {
+	return vect + (-other);
+}
+
+template<typename T>
+Vec3<T> operator- (const Vec3<T>& vect) {
+	return { -vect.x, -vect.y, -vect.z };
+}
+
+template<typename T>
+Vec3<T> operator+ (const Vec3<T>& vect, const Vec3<T>& other) {
+	return { vect.x + other.x, vect.y + other.y, vect.z + other.y };
+}
+
+template<typename T>
+Vec3<T> operator- (const Vec3<T>& vect, const Vec3<T>& other) {
+	return vect + (-other);
+}
+
+template<typename T>
+Vec4<T> operator- (const Vec4<T>& vect) {
+	return { -vect.x, -vect.y, -vect.z, -vect.w };
+}
+
+template<typename T>
+Vec4<T> operator+ (const Vec4<T>& vect, const Vec4<T>& other) {
+	return { vect.x + other.x, vect.y + other.y, vect.z + other.y, vect.w + other.w };
+}
+
+template<typename T>
+Vec4<T> operator- (const Vec4<T>& vect, const Vec4<T>& other) {
+	return vect + (-other);
+}
+
+//////////////////////////////////////////////////////////////////
+// 							Vectors								//
+//////////////////////////////////////////////////////////////////
+
+namespace maths {
+
+template<typename T>
+T Length(const Vec3<T>& vect) {
+	return std::sqrt(vect.x * vect.x + vect.y * vect.y + vect.z * vect.z);
+}
+
+template<typename T>
+Vec3<T> Normalize(const Vec3<T>& vect) {
+	T length = Length(vect);
+
+	return { vect.x / length, vect.y / length, vect.z / length };
+}
+
+template<typename T>
+Vec4<T> Normalize(const Vec4<T>& vect) {
+	T length = std::sqrt(vect.x * vect.x + vect.y * vect.y + vect.z * vect.z + vect.w * vect.w);
+
+	return { vect.x / length, vect.y / length, vect.z / length, vect.w / length };
+}
+
+template<typename T>
+T Dot(const Vec3<T>& vect, const Vec3<T>& other) {
+	return vect.x * other.x + vect.y * other.y + vect.z * other.z;
+}
+
+template<typename T>
+Vec3<T> Cross(const Vec3<T>& vect, const Vec3<T>& other) {
+	return {
+		vect.y * other.z - vect.z * other.y,
+		vect.z * other.x - vect.x * other.z,
+		vect.x * other.y - vect.y * other.x,
+	};
+}
+
+template<typename T>
+T Dot(const Vec4<T>& vect, const Vec4<T>& other) {
+	return vect.x * other.x + vect.y * other.y + vect.z * other.z + vect.w * other.w;
+}
+
+template<typename T>
+T Distance(const Vec3<T>& vect, const Vec3<T>& other) {
+	return Length(vect - other);
+}
+
+//////////////////////////////////////////////////////////////////
+// 						    Matricies							//
+//////////////////////////////////////////////////////////////////
+
+template<typename T>
+Vec4<T> Dot(const Mat4<T>& mat, const Vec4<T>& vect) {
+	return {
+		mat.x0 * vect.x + mat.x1 * vect.y + mat.x2 * vect.z + mat.x3 * vect.w,
+		mat.y0 * vect.x + mat.y1 * vect.y + mat.y2 * vect.z + mat.y3 * vect.w,
+		mat.z0 * vect.x + mat.z1 * vect.y + mat.z2 * vect.z + mat.z3 * vect.w,
+		mat.w0 * vect.x + mat.w1 * vect.y + mat.w2 * vect.z + mat.w3 * vect.w
+	};
+}
+
+template<typename T>
+Mat4<T> Dot(const Mat4<T>& mat, const Mat4<T>& other) {
+	Mat4<T> result {};
+
+	for (std::size_t i = 0; i < Mat4<T>::MATRIX_SIZE; i++) {
+		for (std::size_t j = 0; j < Mat4<T>::MATRIX_SIZE; j++) {
+			for (std::size_t k = 0; k < Mat4<T>::MATRIX_SIZE; k++) {
+				result.at(i, j) += mat.at(i, k) * other.at(k, j);
+			}
+		}
+	}
+
+	return result;
+}
+
+template<typename T>
+Mat4<T> Identity() {
+	Mat4<T> result{};
+
+	result.x0 = static_cast<T>(1);
+	result.y1 = static_cast<T>(1);
+	result.z2 = static_cast<T>(1);
+	result.w3 = static_cast<T>(1);
+
+	return result;
+}
+
+template<typename T>
+Mat4<T> Transpose(const Mat4<T>& mat) {
+	Mat4<T> result;
+
+	result.x1 = mat.y0;
+	result.x2 = mat.z0;
+	result.x3 = mat.w0;
+	result.y0 = mat.x1;
+	result.y2 = mat.z1;
+	result.y3 = mat.w1;
+	result.z0 = mat.x2;
+	result.z1 = mat.y2;
+	result.z3 = mat.w2;
+	result.w0 = mat.x3;
+	result.w1 = mat.y3;
+	result.w2 = mat.z3;
+	result.x0 = mat.x0;
+	result.y1 = mat.y1;
+	result.z2 = mat.z2;
+	result.w3 = mat.w3;
+
+	return result;
+}
+
+Mat4f Perspective(float fovY, float aspectRatio, float zNear, float zFar);
+Mat4f Look(const Vec3f& eye, const Vec3f& center, const Vec3f& up);
+
+Mat4f Inverse(const Mat4f& mat);
+
+} // namespace maths
+} // namespace td

include/protocol/Protocol.h

@@ -49,9 +49,9 @@ enum class PacketType : std::uint8_t {
 
 struct WorldHeader {
 	game::TowerTileColorPalette m_TowerPlacePalette;
-    game::Color m_WalkablePalette;
-    std::vector<game::Color> m_DecorationPalette;
-    game::Color m_Background;
+	Color m_WalkablePalette;
+	std::vector<Color> m_DecorationPalette;
+	Color m_Background;
 
 	game::SpawnColorPalette m_SpawnColorPalette;
 
@@ -135,9 +135,9 @@ public:
 	virtual PacketType GetType() const { return PacketType::WorldBeginData; }
 
 	const game::TowerTileColorPalette& GetTowerTilePalette() const { return m_Header.m_TowerPlacePalette; }
-    const game::Color& GetWalkableTileColor() const { return m_Header.m_WalkablePalette; }
-    const std::vector<game::Color>& GetDecorationPalette() const { return m_Header.m_DecorationPalette; }
-    const game::Color& GetBackgroundColor() const { return m_Header.m_Background; }
+	const Color& GetWalkableTileColor() const { return m_Header.m_WalkablePalette; }
+	const std::vector<Color>& GetDecorationPalette() const { return m_Header.m_DecorationPalette; }
+	const Color& GetBackgroundColor() const { return m_Header.m_Background; }
 
 	const game::Spawn& GetRedSpawn() const { return m_Header.m_RedSpawn; }
 	const game::Spawn& GetBlueSpawn() const { return m_Header.m_BlueSpawn; }
@@ -373,10 +373,11 @@ public:
 class ServerTpsPacket : public Packet {
 private:
 	float m_TPS;
+	float m_MSPT;
 	std::uint64_t m_PacketSendTime; // used to calculate ping
 public:
 	ServerTpsPacket() {}
-    ServerTpsPacket(float tps, std::uint64_t sendTime) : m_TPS(tps), m_PacketSendTime(sendTime) {}
+	ServerTpsPacket(float tps, float mspt, std::uint64_t sendTime) : m_TPS(tps), m_MSPT(mspt), m_PacketSendTime(sendTime) {}
 	virtual ~ServerTpsPacket() {}
 
 	virtual DataBuffer Serialize(bool packetID = true) const;
@@ -384,6 +385,7 @@ public:
 	virtual void Dispatch(PacketHandler* handler) const;
 
 	float GetTPS() const { return m_TPS; }
+	float GetMSPT() const { return m_MSPT; }
 	std::uint64_t GetPacketSendTime() const { return m_PacketSendTime; }
 
 	virtual PacketType GetType() const { return PacketType::ServerTps; }
@@ -424,7 +426,8 @@ public:
 	SpawnMobPacket() {}
 	SpawnMobPacket(game::MobID id, game::MobType type, std::uint8_t level, game::PlayerID sender,
 		float x, float y, game::Direction dir) : m_MobID(id), m_MobType(type), m_MobLevel(level),
-        m_MobDirection(dir), m_Sender(sender), m_MobX(x), m_MobY(y) {}
+		m_MobDirection(dir), m_Sender(sender), m_MobX(x), m_MobY(y) {
+	}
 	virtual ~SpawnMobPacket() {}
 
 	virtual DataBuffer Serialize(bool packetID = true) const;
@@ -449,7 +452,8 @@ private:
 public:
 	PlaceTowerPacket() {}
 	PlaceTowerPacket(std::int32_t x, std::int32_t y, game::TowerType type) :
-        m_TowerX(x), m_TowerY(y), m_TowerType(type) {}
+		m_TowerX(x), m_TowerY(y), m_TowerType(type) {
+	}
 	virtual ~PlaceTowerPacket() {}
 
 	virtual DataBuffer Serialize(bool packetID = true) const;
@@ -472,7 +476,8 @@ private:
 public:
 	WorldAddTowerPacket() {}
 	WorldAddTowerPacket(game::TowerID id, std::int32_t x, std::int32_t y, game::TowerType type, game::PlayerID player) :
-        m_TowerID(id), m_TowerX(x), m_TowerY(y), m_TowerType(type), m_Builder(player) {}
+		m_TowerID(id), m_TowerX(x), m_TowerY(y), m_TowerType(type), m_Builder(player) {
+	}
 	virtual ~WorldAddTowerPacket() {}
 
 	virtual DataBuffer Serialize(bool packetID = true) const;
@@ -534,7 +539,8 @@ private:
 public:
 	MobState() {}
 	MobState(game::MobID id, const Point& position, float life, game::Direction direction) :
-        m_MobID(id), m_MobPosition(position), m_MobLife(life), m_MobDirection(direction) {}
+		m_MobID(id), m_MobPosition(position), m_MobLife(life), m_MobDirection(direction) {
+	}
 
 	game::MobID GetMobId() const { return m_MobID; }
 	Point GetMobPosition() const { return m_MobPosition; }

include/render/Renderer.h

@@ -9,23 +9,39 @@
 namespace td {
 namespace render {
 
+struct Camera {
+	Mat4f viewMatrix;
+	Mat4f projectionMatrix;
+	Mat4f InvViewMatrix;
+	Mat4f InvProjectionMatrix;
+
+	float CamDistance = 25.0f;
+	Vec3f CamPos {0, CamDistance, 0};
+	Vec2f CamLook {};
+
+	float m_Yaw = -PI / 2.0f;
+	float m_Pitch = -PI / 2.0f + 0.0000001f;
+};
+
 class Renderer {
 public:
 	static constexpr float m_AnimationSpeed = 2.0f;
+	static constexpr float m_MouseSensitivity = 200.0f;
 
 	struct Model {
 		GL::VertexArray* vao;
-        Vec2f positon;
+		Vec3f positon;
+		Vec3f color = { 1, 1, 1 };
 	};
 private:
 	std::unique_ptr<shader::WorldShader> m_WorldShader;
 	std::unique_ptr<shader::EntityShader> m_EntityShader;
 
+	Vec2i m_WindowSize;
+
 	Vec3f m_BackgroundColor;
 
-    bool m_IsometricView = true;
-    float m_IsometricShade = m_IsometricView;
-    Vec2f m_CamPos{};
+	Camera m_Camera {};
 public:
 	Renderer();
 	~Renderer();
@@ -38,18 +54,17 @@ public:
 	void RenderVAO(const GL::VertexArray& vao);
 	void RenderModel(const Model& model);
 
-    void SetZoom(float zoom);
-    void SetCamMovement(const Vec2f& mov);
-    void SetCamPos(const Vec2f& newPos);
-    void SetIsometricView(bool isometric); // false = 2D       true = Isometric
+	void AddZoom(float zoom);
+	void SetCamAngularMovement(const Vec2f& mov);
+	void SetCamMovement(const Vec2f& lastCursorPos, const Vec2f& currentCursorPos);
+	void SetCamLook(const Vec2f& worldPos);
 
 	void SetBackgroundColor(const Vec3f& color) { m_BackgroundColor = color; }
 
-    Vec2f GetCursorWorldPos(const Vec2f& cursorPos, float aspectRatio, float zoom, float windowWidth, float windowHeight);
+	Vec2f GetCursorWorldPos(const Vec2f& cursorPos, float windowWidth, float windowHeight);
 private:
-    void UpdateIsometricView();
-    void UpdateIsometricFade();
 	void InitShaders();
+	void SetCamPos(const Vec3f& newPos);
 };
 
 } // namespace render

include/render/WorldRenderer.h

@@ -6,6 +6,7 @@
 #include "render/VertexCache.h"
 
 #include "render/gui/TowerPlacePopup.h"
+#include "render/gui/TowerUpgradePopup.h"
 #include "render/gui/MobTooltip.h"
 #include "render/gui/CastleTooltip.h"
 
@@ -38,6 +39,7 @@ private:
 	VertexCache m_TowersCache;
 
 	std::unique_ptr<gui::TowerPlacePopup> m_TowerPlacePopup;
+	std::unique_ptr<gui::TowerUpgradePopup> m_TowerUpgradePopup;
 	std::unique_ptr<gui::MobTooltip> m_MobTooltip;
 	std::unique_ptr<gui::CastleTooltip> m_CastleTooltip;
 public:
@@ -53,7 +55,7 @@ public:
 
 	void SetCamPos(float camX, float camY);
 
-    void MoveCam(float relativeX, float relativeY, float aspectRatio);
+	void MoveCam(float relativeX, float relativeY);
 	void ChangeZoom(float zoom);
 
 	// WorldListener
@@ -67,7 +69,6 @@ private:
 	void RenderMobs() const;
 	void RenderTileSelect() const;
 	void RenderPopups();
-    void RenderTowerUpgradePopup();
 	void RenderMobTooltip() const;
 	void RenderCastleTooltip() const;
 	void DetectClick();

include/render/gui/LifeProgress.h

@@ -0,0 +1,9 @@
+#pragma once
+
+namespace td {
+namespace gui {
+
+extern void RenderLifeProgress(float progress);
+
+} // namespace gui
+} // namespace td

include/render/gui/SummonMenu.h

@@ -12,11 +12,15 @@ class SummonMenu : public GuiWidget {
 private:
 	bool m_MenuOpened;
 	int m_ImageWidth = 100;
+	float m_Cooldown;
+	float m_LastCooldown;
 	static constexpr int m_MobTypeCount = static_cast<std::size_t>(td::game::MobType::MOB_COUNT);
 	std::array<int, static_cast<std::size_t>(m_MobTypeCount)> m_Values;
 public:
 	SummonMenu(client::Client* client);
 
+	void SetCooldown(float cooldown);
+
 	virtual void Render();
 private:
 	void SetSummonMax(int valueIndex);

include/render/gui/TowerUpgradePopup.h

@@ -0,0 +1,32 @@
+#pragma once
+
+#include "GuiWidget.h"
+
+#include "Defines.h"
+
+namespace td {
+namespace gui {
+
+class TowerUpgradePopup : public GuiWidget {
+private:
+	Vec2f m_ClickWorldPos;
+	bool m_ShouldBeClosed;
+	bool m_Opened;
+public:
+	TowerUpgradePopup(client::Client* client);
+
+	virtual void Render();
+
+	void SetClickPos(const Vec2f& worldPos);
+
+	bool IsPopupOpened();
+private:
+	static constexpr float m_TowerPopupTileWidth = 200.0f;
+	static constexpr float m_TowerPopupTileHeight = 200.0f;
+
+	static constexpr float m_PlaceTowerButtonWidth = 150.0f;
+	static constexpr float m_PlaceTowerButtonHeight = 35.0f;
+};
+
+} // namespace gui
+} // namespace td

include/render/gui/UpdateMenu.h

@@ -2,21 +2,28 @@
 
 #include "GuiWidget.h"
 
-#include "updater/Updater.h"
-
 #include <future>
+#include <memory>
 
 namespace td {
+
+namespace utils {
+
+class Updater;
+
+} // namespace utils
+
 namespace gui {
 
 class UpdateMenu : public GuiWidget {
 private:
 	bool m_Opened;
 	std::string m_Error;
-    utils::Updater m_Updater;
+	std::unique_ptr<utils::Updater> m_Updater;
 	std::shared_future<bool> m_UpdateAvailable;
 public:
 	UpdateMenu(client::Client* client);
+	virtual ~UpdateMenu();
 
 	virtual void Render();
 private:

include/render/shaders/EntityShader.h

@@ -6,24 +6,22 @@ namespace td {
 namespace shader {
 
 class EntityShader : public ShaderProgram {
-
 private:
-	unsigned int m_LocationCam = 0;
-	unsigned int m_LocationZoom = 0;
-	unsigned int m_LocationAspectRatio = 0;
-	unsigned int m_LocationTranslation = 0;
-	unsigned int m_LocationViewtype = 0;
+	unsigned int m_LocationProjectionMatrix = 0;
+	unsigned int m_LocationViewMatrix = 0;
+	unsigned int m_LocationPosition = 0;
+	unsigned int m_LocationColorEffect = 0;
 protected:
 	virtual void GetAllUniformLocation();
 public:
 	EntityShader();
 
 	void LoadShader();
-	void SetCamPos(const Vec2f& camPos);
-	void SetZoom(float zoom);
-	void SetAspectRatio(float aspectRatio);
-	void SetModelPos(const Vec2f& modelPos);
-	void SetIsometricView(float isometric);
+
+	void SetColorEffect(const Vec3f& color);
+	void SetProjectionMatrix(const Mat4f& proj) const;
+	void SetViewMatrix(const Mat4f& view) const;
+	void SetModelPos(const Vec3f& pos) const;
 };
 
 } // namespace shader

include/render/shaders/ShaderProgram.h

@@ -27,6 +27,7 @@ protected:
 	void LoadVector(unsigned int location, const Vec2f& vector) const;
 	void LoadVector(unsigned int location, const Vec3f& vector) const;
 	void LoadBoolean(unsigned int location, bool value) const;
+	void LoadMat4(unsigned int location, const Mat4f& mat) const;
 	void CleanUp() const;
 
 private:

include/render/shaders/WorldShader.h

@@ -7,16 +7,15 @@ namespace shader {
 
 class WorldShader : public ShaderProgram {
 private:
-	unsigned int m_LocationCam = 0, m_LocationZoom = 0, m_LocationAspectRatio = 0, m_LocationViewtype = 0;
+	unsigned int m_LocationProjection = 0, m_LocationView = 0;
 protected:
 	void GetAllUniformLocation();
 public:
 	WorldShader();
 	void LoadShader();
-	void SetCamPos(const Vec2f& camPos);
-	void SetZoom(float zoom);
-	void SetAspectRatio(float aspectRatio);
-	void SetIsometricView(float isometric);
+
+	void SetProjectionMatrix(const Mat4f& proj) const;
+	void SetViewMatrix(const Mat4f& view) const;
 };
 
 } // namespace shader

src/game/Mobs.cpp

@@ -203,6 +203,7 @@ bool Mob::IsTouchingCastle(const TeamCastle& enemyCastle) const {
 }
 
 void Mob::Tick(std::uint64_t delta, World* world) {
+	m_HitCooldown = std::max(0.0f, m_HitCooldown - static_cast<float>(delta / 1000.0f));
 	UpdateEffects(delta, world);
 	Move(delta, world);
 	AttackCastle(delta, world);

src/game/Towers.cpp

@@ -201,119 +201,5 @@ std::string GetTowerName(TowerType type) {
 }
 
 } // namespace TowerFactory
-
-
-
-
-
-void ArcherTower::Tick(std::uint64_t delta, World* world) {
-    if (m_Timer.Update(delta)) {
-        std::uint8_t arrowsShot = 0;
-        bool explosiveArrows = GetLevel().GetPath() == TowerPath::Bottom;
-        std::uint8_t arrows = explosiveArrows ? 2 : GetLevel().GetLevel();
-        for (MobPtr mob : world->GetMobList()) {
-            if (IsMobInRange(mob)) {
-                world->GetWorldNotifier().NotifyListeners(&WorldListener::OnArcherTowerShot, mob, this);
-                m_Timer.ApplyCooldown();
-                arrowsShot++;
-                if (arrowsShot >= arrows)
-                    break;
-            }
-        }
-    }
-}
-
-void IceTower::Tick(std::uint64_t delta, World* world) {
-    if (m_Timer.Update(delta)) {
-        float damage = GetStats()->GetDamage();
-        for (MobPtr mob : world->GetMobList()) {
-            if (IsMobInRange(mob)) {
-                mob->AddEffect(EffectType::Slowness, 1, this);    // slowness for 1s every second
-                if (damage > 0)
-                    world->GetMobNotifier().NotifyListeners(&MobListener::OnMobDamage, mob.get(), damage, this);
-                m_Timer.ApplyCooldown();
-            }
-        }
-    }
-}
-
-void MageTower::Tick(std::uint64_t delta, World* world) {
-    if (m_Timer.Update(delta)) {
-        for (MobPtr mob : world->GetMobList()) {
-            if (IsMobInRange(mob)) {
-                mob->AddEffect(EffectType::Fire, GetLevel().GetLevel() * 3, this);
-                m_Timer.ApplyCooldown();
-            }
-        }
-    }
-}
-
-void PoisonTower::Tick(std::uint64_t delta, World* world) {
-    if (m_Timer.Update(delta)) {
-        for (MobPtr mob : world->GetMobList()) {
-            if (IsMobInRange(mob)) {
-                if (GetLevel().GetPath() == TowerPath::Bottom) {
-                    world->GetMobNotifier().NotifyListeners(&MobListener::OnMobDamage, mob.get(), GetStats()->GetDamage(), this);
-                } else {
-                    float durationSec;
-                    switch (GetLevel().GetLevel()) {
-                    case 1:
-                        durationSec = 5;
-                        break;
-
-                    case 2:
-                        durationSec = 15;
-                        break;
-
-                    case 3:
-                        durationSec = 30;
-                        break;
-
-                    case 4:
-                        durationSec = 1e10; // about 3 million hours. It should be enough
-                        break;
-
-                    default:
-                        durationSec = 0; // how did we get there ?
-                        break;
-                    }
-                    mob->AddEffect(EffectType::Poison, durationSec, this);
-                }
-                m_Timer.ApplyCooldown();
-            }
-        }
-    }
-}
-
-void QuakeTower::Tick(std::uint64_t delta, World* world) {
-
-}
-
-void ZeusTower::Tick(std::uint64_t delta, World* world) {
-
-}
-
-void ArtilleryTower::Tick(std::uint64_t delta, World* world) {
-
-}
-
-void SorcererTower::Tick(std::uint64_t delta, World* world) {
-
-}
-
-
-
-void LeachTower::Tick(std::uint64_t delta, World* world) {
-
-}
-
-void TurretTower::Tick(std::uint64_t delta, World* world) {
-
-}
-
-void NecromancerTower::Tick(std::uint64_t delta, World* world) {
-
-}
-
 } // namespace game
 } // namespace td

src/game/client/ClientConnexion.cpp

@@ -27,6 +27,7 @@ void ClientConnexion::HandlePacket(const protocol::ConnexionInfoPacket* packet)
 
 void ClientConnexion::HandlePacket(const protocol::ServerTpsPacket* packet) {
 	m_ServerTPS = packet->GetTPS();
+	m_ServerMSPT = packet->GetMSPT();
 	m_Ping = utils::GetTime() - packet->GetPacketSendTime();
 }
 

src/game/client/WorldClient.cpp

@@ -20,7 +20,7 @@ WorldClient::WorldClient(ClientGame* game) : game::World(game), protocol::Packet
 void WorldClient::HandlePacket(const protocol::WorldBeginDataPacket* packet) {
 	LoadMap(packet);
 	if (m_Game->GetGameState() == game::GameState::Game) {
-        const game::Color& backgroundColor = GetBackgroundColor();
+		const Color& backgroundColor = GetBackgroundColor();
 		m_Game->GetRenderer()->SetBackgroundColor({ static_cast<float>(backgroundColor.r / 255.0f), static_cast<float>(backgroundColor.g / 255.0f),
 			static_cast<float>(backgroundColor.b / 255.0f) });
 	}

src/game/server/Server.cpp

@@ -26,6 +26,7 @@ void Server::StartThread() {
 			if (delta >= SERVER_TICK) {
 				Tick(delta);
 				lastTime = td::utils::GetTime();
+				m_TickCounter.SetMSPT(lastTime - time);
 				std::uint64_t sleepTime = SERVER_TICK - (delta - SERVER_TICK);
 				std::this_thread::sleep_for(std::chrono::milliseconds(sleepTime));
 			}
@@ -85,7 +86,7 @@ void Server::Tick(std::uint64_t delta) {
 	m_Lobby.Tick();
 	m_Game.Tick(delta);
 	if (m_TickCounter.Update()) {
-        protocol::ServerTpsPacket packet(m_TickCounter.GetTPS(), utils::GetTime());
+		protocol::ServerTpsPacket packet(m_TickCounter.GetTPS(), m_TickCounter.GetMSPT(), utils::GetTime());
 		BroadcastPacket(&packet);
 	}
 }

src/game/server/ServerConnexion.cpp

@@ -10,6 +10,8 @@
 
 #define KEEP_ALIVE_TIMEOUT 10 * 1000 // 10s
 
+#define SAFE_CHECK(expr) if(expr) return
+
 namespace td {
 namespace server {
 
@@ -97,8 +99,8 @@ void ServerConnexion::HandlePacket(const protocol::PlayerLoginPacket* packet) {
 }
 
 void ServerConnexion::HandlePacket(const protocol::SelectTeamPacket* packet) {
-    if (m_Server->GetGame().GetGameState() != game::GameState::Lobby)
-        return;
+	SAFE_CHECK(m_Server->GetGame().GetGameState() != game::GameState::Lobby);
+
 	if (static_cast<std::int8_t>(packet->GetSelectedTeam()) >= -1 || static_cast<std::int8_t>(packet->GetSelectedTeam()) <= 1) {
 		if (m_Player->GetTeamColor() == game::TeamColor::None) { // join a team
 			m_Server->GetGame().GetTeam(packet->GetSelectedTeam()).AddPlayer(m_Player);
@@ -138,12 +140,12 @@ void ServerConnexion::InitConnection() {
 	protocol::ConnexionInfoPacket conPacket(m_ID);
 	SendPacket(&conPacket);
 
-    if (m_Server->GetGame().GetGameState() == game::GameState::Game) {
+	SAFE_CHECK(m_Server->GetGame().GetGameState() != game::GameState::Game);
+
 	protocol::WorldBeginDataPacket headerDataPacket(m_Server->GetGame().GetWorld());
 	protocol::WorldBeginDataPacket dataPacket(m_Server->GetGame().GetWorld());
 	SendPacket(&headerDataPacket);
 	SendPacket(&dataPacket);
-    }
 }
 
 void ServerConnexion::HandlePacket(const protocol::PlaceTowerPacket* packet) {
@@ -153,12 +155,10 @@ void ServerConnexion::HandlePacket(const protocol::PlaceTowerPacket* packet) {
 
 	Vec2f towerPos = { static_cast<float>(packet->GetTowerX()), static_cast<float>(packet->GetTowerY()) };
 
-    if (!world->CanPlaceLittleTower(towerPos, m_ID))
-        return;
+	SAFE_CHECK(!world->CanPlaceLittleTower(towerPos, m_ID));
 
 	if (towerInfo.IsBigTower())
-        if (!world->CanPlaceBigTower(towerPos, m_ID))
-            return;
+		SAFE_CHECK(!world->CanPlaceBigTower(towerPos, m_ID));
 
 	game::TowerPtr tower = world->PlaceTowerAt(towerType, packet->GetTowerX(), packet->GetTowerY(), m_ID);
 

src/game/towers/ArcherTower.cpp

@@ -0,0 +1,25 @@
+#include "game/Towers.h"
+#include "game/World.h"
+
+namespace td {
+namespace game {
+
+void ArcherTower::Tick(std::uint64_t delta, World* world) {
+	if (m_Timer.Update(delta)) {
+		std::uint8_t arrowsShot = 0;
+		bool explosiveArrows = GetLevel().GetPath() == TowerPath::Bottom;
+		std::uint8_t arrows = explosiveArrows ? 2 : GetLevel().GetLevel();
+		for (MobPtr mob : world->GetMobList()) {
+			if (IsMobInRange(mob)) {
+				world->GetWorldNotifier().NotifyListeners(&WorldListener::OnArcherTowerShot, mob, this);
+				m_Timer.ApplyCooldown();
+				arrowsShot++;
+				if (arrowsShot >= arrows)
+					break;
+			}
+		}
+	}
+}
+
+} // namespace game
+} // namespace td

src/game/towers/ArtilleryTower.cpp

@@ -0,0 +1,12 @@
+#include "game/Towers.h"
+#include "game/World.h"
+
+namespace td {
+namespace game {
+
+void ArtilleryTower::Tick(std::uint64_t delta, World* world) {
+
+}
+
+} // namespace game
+} // namespace td

src/game/towers/IceTower.cpp

@@ -0,0 +1,22 @@
+#include "game/Towers.h"
+#include "game/World.h"
+
+namespace td {
+namespace game {
+
+void IceTower::Tick(std::uint64_t delta, World* world) {
+	if (m_Timer.Update(delta)) {
+		float damage = GetStats()->GetDamage();
+		for (MobPtr mob : world->GetMobList()) {
+			if (IsMobInRange(mob)) {
+				mob->AddEffect(EffectType::Slowness, 1, this);    // slowness for 1s every second
+				if (damage > 0)
+					world->GetMobNotifier().NotifyListeners(&MobListener::OnMobDamage, mob.get(), damage, this);
+				m_Timer.ApplyCooldown();
+			}
+		}
+	}
+}
+
+} // namespace game
+} // namespace td

src/game/towers/LeachTower.cpp

@@ -0,0 +1,12 @@
+#include "game/Towers.h"
+#include "game/World.h"
+
+namespace td {
+namespace game {
+
+void LeachTower::Tick(std::uint64_t delta, World* world) {
+
+}
+
+} // namespace game
+} // namespace td

src/game/towers/MageTower.cpp

@@ -0,0 +1,19 @@
+#include "game/Towers.h"
+#include "game/World.h"
+
+namespace td {
+namespace game {
+
+void MageTower::Tick(std::uint64_t delta, World* world) {
+	if (m_Timer.Update(delta)) {
+		for (MobPtr mob : world->GetMobList()) {
+			if (IsMobInRange(mob)) {
+				mob->AddEffect(EffectType::Fire, GetLevel().GetLevel() * 3, this);
+				m_Timer.ApplyCooldown();
+			}
+		}
+	}
+}
+
+} // namespace game
+} // namespace td

src/game/towers/Necromancer.cpp

@@ -0,0 +1,12 @@
+#include "game/Towers.h"
+#include "game/World.h"
+
+namespace td {
+namespace game {
+
+void NecromancerTower::Tick(std::uint64_t delta, World* world) {
+
+}
+
+} // namespace game
+} // namespace td

src/game/towers/PoisonTower.cpp

@@ -0,0 +1,45 @@
+#include "game/Towers.h"
+#include "game/World.h"
+
+namespace td {
+namespace game {
+
+void PoisonTower::Tick(std::uint64_t delta, World* world) {
+	if (m_Timer.Update(delta)) {
+		for (MobPtr mob : world->GetMobList()) {
+			if (IsMobInRange(mob)) {
+				if (GetLevel().GetPath() == TowerPath::Bottom) {
+					world->GetMobNotifier().NotifyListeners(&MobListener::OnMobDamage, mob.get(), GetStats()->GetDamage(), this);
+				} else {
+					float durationSec;
+					switch (GetLevel().GetLevel()) {
+					case 1:
+						durationSec = 5;
+						break;
+
+					case 2:
+						durationSec = 15;
+						break;
+
+					case 3:
+						durationSec = 30;
+						break;
+
+					case 4:
+						durationSec = 1e10; // about 3 million hours. It should be enough
+						break;
+
+					default:
+						durationSec = 0; // how did we get there ?
+						break;
+					}
+					mob->AddEffect(EffectType::Poison, durationSec, this);
+				}
+				m_Timer.ApplyCooldown();
+			}
+		}
+	}
+}
+
+} // namespace game
+} // namespace td

src/game/towers/QuakeTower.cpp

@@ -0,0 +1,12 @@
+#include "game/Towers.h"
+#include "game/World.h"
+
+namespace td {
+namespace game {
+
+void QuakeTower::Tick(std::uint64_t delta, World* world) {
+
+}
+
+} // namespace game
+} // namespace td

src/game/towers/SorcererTower.cpp

@@ -0,0 +1,12 @@
+#include "game/Towers.h"
+#include "game/World.h"
+
+namespace td {
+namespace game {
+
+void SorcererTower::Tick(std::uint64_t delta, World* world) {
+
+}
+
+} // namespace game
+} // namespace td

src/game/towers/TurretTower.cpp

@@ -0,0 +1,12 @@
+#include "game/Towers.h"
+#include "game/World.h"
+
+namespace td {
+namespace game {
+
+void TurretTower::Tick(std::uint64_t delta, World* world) {
+
+}
+
+} // namespace game
+} // namespace td

src/game/towers/ZeusTower.cpp

@@ -0,0 +1,12 @@
+#include "game/Towers.h"
+#include "game/World.h"
+
+namespace td {
+namespace game {
+
+void ZeusTower::Tick(std::uint64_t delta, World* world) {
+
+}
+
+} // namespace game
+} // namespace td

src/misc/DataBuffer.cpp

@@ -7,10 +7,10 @@
 
 namespace td {
 
-DataBuffer::DataBuffer() : m_ReadOffset(0) { }
-DataBuffer::DataBuffer(const DataBuffer& other) : m_Buffer(other.m_Buffer), m_ReadOffset(other.m_ReadOffset) { }
-DataBuffer::DataBuffer(DataBuffer&& other) : m_Buffer(std::move(other.m_Buffer)), m_ReadOffset(std::move(other.m_ReadOffset)) { }
-DataBuffer::DataBuffer(const std::string& str) : m_Buffer(str.begin(), str.end()), m_ReadOffset(0) { }
+DataBuffer::DataBuffer() : m_ReadOffset(0) {}
+DataBuffer::DataBuffer(const DataBuffer& other) : m_Buffer(other.m_Buffer), m_ReadOffset(other.m_ReadOffset) {}
+DataBuffer::DataBuffer(DataBuffer&& other) : m_Buffer(std::move(other.m_Buffer)), m_ReadOffset(std::move(other.m_ReadOffset)) {}
+DataBuffer::DataBuffer(const std::string& str) : m_Buffer(str.begin(), str.end()), m_ReadOffset(0) {}
 
 DataBuffer::DataBuffer(const DataBuffer& other, Data::difference_type offset) : m_ReadOffset(0) {
 	m_Buffer.reserve(other.GetSize() - static_cast<std::size_t>(offset));

src/misc/Maths.cpp

@@ -0,0 +1,90 @@
+#include "misc/Maths.h"
+
+#include <cassert>
+
+namespace td {
+namespace maths {
+
+Mat4f Perspective(float fovY, float aspectRatio, float zNear, float zFar) {
+	const float tanHalfFovy = std::tan(fovY / 2.0f);
+
+	Mat4f result{};
+	result.x0 = 1.0f / (aspectRatio * tanHalfFovy);
+	result.y1 = 1.0f / (tanHalfFovy);
+	result.z2 = -(zFar + zNear) / (zFar - zNear);
+	result.z3 = -1.0f;
+	result.w2 = -(2.0f * zFar * zNear) / (zFar - zNear);
+
+	return result;
+}
+
+Mat4f Look(const Vec3f& eye, const Vec3f& front, const Vec3f& up) {
+	const Vec3f f = Normalize(front);
+	const Vec3f s = Normalize(Cross(f, up));
+	const Vec3f u = Cross(s, f);
+
+	Mat4f result = Identity<float>();
+	result.x0 = s.x;
+	result.y0 = s.y;
+	result.z0 = s.z;
+	result.x1 = u.x;
+	result.y1 = u.y;
+	result.z1 = u.z;
+	result.x2 = -f.x;
+	result.y2 = -f.y;
+	result.z2 = -f.z;
+	result.w0 = -Dot(s, eye);
+	result.w1 = -Dot(u, eye);
+	result.w2 = Dot(f, eye);
+
+	return result;
+}
+
+Mat4f Inverse(const Mat4f& mat) {
+	float s0 = mat.at(0, 0) * mat.at(1, 1) - mat.at(1, 0) * mat.at(0, 1);
+    float s1 = mat.at(0, 0) * mat.at(1, 2) - mat.at(1, 0) * mat.at(0, 2);
+    float s2 = mat.at(0, 0) * mat.at(1, 3) - mat.at(1, 0) * mat.at(0, 3);
+    float s3 = mat.at(0, 1) * mat.at(1, 2) - mat.at(1, 1) * mat.at(0, 2);
+    float s4 = mat.at(0, 1) * mat.at(1, 3) - mat.at(1, 1) * mat.at(0, 3);
+    float s5 = mat.at(0, 2) * mat.at(1, 3) - mat.at(1, 2) * mat.at(0, 3);
+
+    float c5 = mat.at(2, 2) * mat.at(3, 3) - mat.at(3, 2) * mat.at(2, 3);
+    float c4 = mat.at(2, 1) * mat.at(3, 3) - mat.at(3, 1) * mat.at(2, 3);
+    float c3 = mat.at(2, 1) * mat.at(3, 2) - mat.at(3, 1) * mat.at(2, 2);
+    float c2 = mat.at(2, 0) * mat.at(3, 3) - mat.at(3, 0) * mat.at(2, 3);
+    float c1 = mat.at(2, 0) * mat.at(3, 2) - mat.at(3, 0) * mat.at(2, 2);
+    float c0 = mat.at(2, 0) * mat.at(3, 1) - mat.at(3, 0) * mat.at(2, 1);
+
+    float det = s0 * c5 - s1 * c4 + s2 * c3 + s3 * c2 - s4 * c1 + s5 * c0;
+
+    assert(det != 0 && "Determinant equals 0 !");
+
+    float invdet = 1.0 / det;
+
+    Mat4f result;
+
+    result.at(0, 0) = ( mat.at(1, 1) * c5 - mat.at(1, 2) * c4 + mat.at(1, 3) * c3) * invdet;
+    result.at(0, 1) = (-mat.at(0, 1) * c5 + mat.at(0, 2) * c4 - mat.at(0, 3) * c3) * invdet;
+    result.at(0, 2) = ( mat.at(3, 1) * s5 - mat.at(3, 2) * s4 + mat.at(3, 3) * s3) * invdet;
+    result.at(0, 3) = (-mat.at(2, 1) * s5 + mat.at(2, 2) * s4 - mat.at(2, 3) * s3) * invdet;
+
+    result.at(1, 0) = (-mat.at(1, 0) * c5 + mat.at(1, 2) * c2 - mat.at(1, 3) * c1) * invdet;
+    result.at(1, 1) = ( mat.at(0, 0) * c5 - mat.at(0, 2) * c2 + mat.at(0, 3) * c1) * invdet;
+    result.at(1, 2) = (-mat.at(3, 0) * s5 + mat.at(3, 2) * s2 - mat.at(3, 3) * s1) * invdet;
+    result.at(1, 3) = ( mat.at(2, 0) * s5 - mat.at(2, 2) * s2 + mat.at(2, 3) * s1) * invdet;
+
+    result.at(2, 0) = ( mat.at(1, 0) * c4 - mat.at(1, 1) * c2 + mat.at(1, 3) * c0) * invdet;
+    result.at(2, 1) = (-mat.at(0, 0) * c4 + mat.at(0, 1) * c2 - mat.at(0, 3) * c0) * invdet;
+    result.at(2, 2) = ( mat.at(3, 0) * s4 - mat.at(3, 1) * s2 + mat.at(3, 3) * s0) * invdet;
+    result.at(2, 3) = (-mat.at(2, 0) * s4 + mat.at(2, 1) * s2 - mat.at(2, 3) * s0) * invdet;
+
+    result.at(3, 0) = (-mat.at(1, 0) * c3 + mat.at(1, 1) * c1 - mat.at(1, 2) * c0) * invdet;
+    result.at(3, 1) = ( mat.at(0, 0) * c3 - mat.at(0, 1) * c1 + mat.at(0, 2) * c0) * invdet;
+    result.at(3, 2) = (-mat.at(3, 0) * s3 + mat.at(3, 1) * s1 - mat.at(3, 2) * s0) * invdet;
+    result.at(3, 3) = ( mat.at(2, 0) * s3 - mat.at(2, 1) * s1 + mat.at(2, 2) * s0) * invdet;
+
+    return result;
+}
+
+} // namespace maths
+} // namespace td

src/network/Socket.cpp

@@ -16,8 +16,7 @@ Socket::Socket(Type type)
 	: m_Blocking(false),
 	m_Type(type),
 	m_Status(Disconnected),
-    m_Handle(static_cast<SocketHandle>(INVALID_SOCKET))
-{
+	m_Handle(static_cast<SocketHandle>(INVALID_SOCKET)) {
 
 }
 

src/network/UDPSocket.cpp

@@ -12,8 +12,7 @@ namespace td {
 namespace network {
 
 UDPSocket::UDPSocket()
-    : Socket(Socket::UDP), m_Port(0)
-{
+	: Socket(Socket::UDP), m_Port(0) {
 	m_Handle = ::socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
 }
 

src/protocol/Protocol.cpp

@@ -96,7 +96,7 @@ void PlayerLoginPacket::Deserialize(DataBuffer& data) {
 DataBuffer WorldBeginDataPacket::Serialize(bool packetID) const {
 	DataBuffer data;
 	const game::TowerTileColorPalette& towerTilePalette = m_Header.m_World->GetTowerTileColorPalette();
-    const std::vector<game::Color>& decoTilePalette = m_Header.m_World->GetDecorationPalette();
+	const std::vector<Color>& decoTilePalette = m_Header.m_World->GetDecorationPalette();
 
 	WritePacketID(data, packetID);
 
@@ -105,9 +105,9 @@ DataBuffer WorldBeginDataPacket::Serialize(bool packetID) const {
 
 	// deco color palette
 	std::size_t bufferSize = data.GetSize();
-    data.Resize(bufferSize + decoTilePalette.size() * sizeof(game::Color));
+	data.Resize(bufferSize + decoTilePalette.size() * sizeof(Color));
 
-    memcpy(reinterpret_cast<std::uint8_t*>(data.data()) + bufferSize, decoTilePalette.data(), decoTilePalette.size() * sizeof(game::Color));
+	memcpy(reinterpret_cast<std::uint8_t*>(data.data()) + bufferSize, decoTilePalette.data(), decoTilePalette.size() * sizeof(Color));
 
 	data << m_Header.m_World->GetBackgroundColor();
 
@@ -135,7 +135,7 @@ void WorldBeginDataPacket::Deserialize(DataBuffer& data) {
 	std::uint16_t decoPaletteSize;
 	data >> decoPaletteSize;
 
-    std::size_t decoPalletteSizeByte = decoPaletteSize * sizeof(game::Color);
+	std::size_t decoPalletteSizeByte = decoPaletteSize * sizeof(Color);
 
 	m_Header.m_DecorationPalette.resize(decoPaletteSize);
 
@@ -425,12 +425,12 @@ DataBuffer ServerTpsPacket::Serialize(bool packetID) const {
 	DataBuffer data;
 
 	WritePacketID(data, packetID);
-    data << m_TPS << m_PacketSendTime;
+	data << m_TPS << m_MSPT << m_PacketSendTime;
 	return data;
 }
 
 void ServerTpsPacket::Deserialize(DataBuffer& data) {
-    data >> m_TPS >> m_PacketSendTime;
+	data >> m_TPS >> m_MSPT >> m_PacketSendTime;
 }
 
 DataBuffer SpawnMobPacket::Serialize(bool packetID) const {

src/render/Renderer.cpp

@@ -10,6 +10,10 @@
 #include <stdio.h>
 #include "misc/Time.h"
 #include "misc/Easing.h"
+#include "misc/Maths.h"
+
+#include <misc/Log.h>
+#include <misc/Format.h>
 
 namespace td {
 namespace render {
@@ -22,21 +26,11 @@ Renderer::~Renderer() {
 
 }
 
-void Renderer::UpdateIsometricView() {
-    float isometricEased = utils::EaseInOutExpo(m_IsometricShade);
-    m_WorldShader->Start();
-    m_WorldShader->SetIsometricView(isometricEased);
-    m_EntityShader->Start();
-    m_EntityShader->SetIsometricView(isometricEased);
-}
-
 void Renderer::InitShaders() {
 	m_WorldShader = std::make_unique<shader::WorldShader>();
 	m_WorldShader->LoadShader();
 	m_EntityShader = std::make_unique<shader::EntityShader>();
 	m_EntityShader->LoadShader();
-    SetIsometricView(true);
-    UpdateIsometricView();
 }
 
 // TODO : change loader check
@@ -70,79 +64,99 @@ void Renderer::RenderVAO(const GL::VertexArray& vao) {
 void Renderer::RenderModel(const Model& model) {
 	m_EntityShader->Start();
 	m_EntityShader->SetModelPos(model.positon);
+	m_EntityShader->SetColorEffect(model.color);
 	model.vao->Bind();
 	glDrawArrays(GL_TRIANGLES, 0, static_cast<GLsizei>(model.vao->GetVertexCount()));
 	model.vao->Unbind();
 }
 
-void Renderer::UpdateIsometricFade() {
-    static std::uint64_t lastTime = utils::GetTime();
-    if (m_IsometricShade != static_cast<float>(m_IsometricView)) {
-        float step = static_cast<float>(utils::GetTime() - lastTime) / 1000.0f * m_AnimationSpeed;
-        if (m_IsometricShade < m_IsometricView) {
-            m_IsometricShade += step;
-        } else {
-            m_IsometricShade -= step;
-        }
-        m_IsometricShade = std::min(m_IsometricShade, 1.0f);
-        m_IsometricShade = std::max(m_IsometricShade, 0.0f);
-        UpdateIsometricView();
-    }
-    lastTime = utils::GetTime();
-}
-
 void Renderer::Prepare() {
 	glClear(GL_COLOR_BUFFER_BIT);
 	glClearColor(m_BackgroundColor.r, m_BackgroundColor.g, m_BackgroundColor.b, 0);
-    UpdateIsometricFade();
 }
 
 void Renderer::Resize(int width, int height) {
+	m_Camera.projectionMatrix = maths::Perspective(80.0f / 180.0f * PI, static_cast<float>(width) / height, 0.1f, 160.0f);
+	m_Camera.InvProjectionMatrix = maths::Inverse(m_Camera.projectionMatrix);
 	m_WorldShader->Start();
-    m_WorldShader->SetAspectRatio(static_cast<float>(width) / height);
+	m_WorldShader->SetProjectionMatrix(m_Camera.projectionMatrix);
 	m_EntityShader->Start();
-    m_EntityShader->SetAspectRatio(static_cast<float>(width) / height);
+	m_WorldShader->SetProjectionMatrix(m_Camera.projectionMatrix);
+	m_WindowSize = { width, height };
 	glViewport(0, 0, width, height);
 }
 
-void Renderer::SetZoom(float zoom) {
+void Renderer::AddZoom(float zoom) {
+	m_Camera.CamPos.y = std::max(1.0f, m_Camera.CamPos.y - zoom);
+	m_Camera.CamDistance = std::max(1.0f, m_Camera.CamDistance - zoom);
+	SetCamLook(m_Camera.CamLook);
+}
+
+void Renderer::SetCamAngularMovement(const Vec2f& mov) {
+	m_Camera.m_Pitch = std::clamp(m_Camera.m_Pitch - mov.y / m_MouseSensitivity, -PI / 2.0f + 0.0000001f, -PI / 12.0f);
+	m_Camera.m_Yaw += mov.x / m_MouseSensitivity;
+	SetCamLook(m_Camera.CamLook);
+}
+
+void Renderer::SetCamMovement(const Vec2f& lastCursorPos, const Vec2f& currentCursorPos) {
+	Vec2f worldLastCursorPos = GetCursorWorldPos(lastCursorPos, m_WindowSize.x, m_WindowSize.y);
+	Vec2f worldCurrentCursorPos = GetCursorWorldPos(currentCursorPos, m_WindowSize.x, m_WindowSize.y);
+	Vec2f movement = worldCurrentCursorPos - worldLastCursorPos;
+	SetCamLook(m_Camera.CamLook - movement);
+}
+
+void Renderer::SetCamPos(const Vec3f& newPos) {
+
+	Vec3f front = {
+		std::cos(m_Camera.m_Yaw) * std::cos(m_Camera.m_Pitch),
+		std::sin(m_Camera.m_Pitch),
+		std::sin(m_Camera.m_Yaw) * std::cos(m_Camera.m_Pitch)
+	};
+
+	m_Camera.CamPos = newPos;
+	m_Camera.viewMatrix = maths::Look(m_Camera.CamPos, front, { 0, 1, 0 });
+	m_Camera.InvViewMatrix = maths::Transpose(maths::Inverse(m_Camera.viewMatrix));  // why transpose ? I don't know
+
 	m_WorldShader->Start();
-    m_WorldShader->SetZoom(zoom);
+	m_WorldShader->SetViewMatrix(m_Camera.viewMatrix);
 	m_EntityShader->Start();
-    m_EntityShader->SetZoom(zoom);
+	m_EntityShader->SetViewMatrix(m_Camera.viewMatrix);
 }
 
-void Renderer::SetCamMovement(const Vec2f& mov) {
-    m_CamPos.x += mov.x * (1 - m_IsometricView) + (0.5 * mov.x - mov.y) * m_IsometricView;
-    m_CamPos.y += -mov.y * (1 - m_IsometricView) + (-0.5 * mov.x - mov.y) * m_IsometricView;
-    SetCamPos(m_CamPos);
+void Renderer::SetCamLook(const Vec2f& worldPos) {
+	static const float WORLD_HEIGHT = 0;
+
+	m_Camera.CamLook = worldPos;
+
+	Vec3f front = {
+		std::cos(m_Camera.m_Yaw) * std::cos(m_Camera.m_Pitch),
+		std::sin(m_Camera.m_Pitch),
+		std::sin(m_Camera.m_Yaw) * std::cos(m_Camera.m_Pitch)
+	};
+
+	SetCamPos({
+		-m_Camera.CamDistance * front.x + m_Camera.CamLook.x,
+		-m_Camera.CamDistance * front.y + WORLD_HEIGHT,
+		-m_Camera.CamDistance * front.z + m_Camera.CamLook.y
+	});
 }
 
-void Renderer::SetCamPos(const Vec2f& newPos) {
-    m_CamPos = newPos;
-    m_WorldShader->Start();
-    m_WorldShader->SetCamPos(newPos);
-    m_EntityShader->Start();
-    m_EntityShader->SetCamPos(newPos);
-}
+Vec2f Renderer::GetCursorWorldPos(const Vec2f& cursorPos, float windowWidth, float windowHeight) {
 
-void Renderer::SetIsometricView(bool isometric) {
-    m_IsometricView = isometric;
-}
+	float relativeX = (cursorPos.x / windowWidth * 2) - 1.0f;
+	float relativeY = 1.0f - (cursorPos.y / windowHeight * 2);
 
-Vec2f Renderer::GetCursorWorldPos(const Vec2f& cursorPos, float aspectRatio, float zoom, float windowWidth, float windowHeight) {
-    float isometricEased = utils::EaseInOutExpo(m_IsometricShade);
+	Vec4f rayClip{ relativeX, relativeY, -1.0f, 1.0f };
 
-    float relativeX = (cursorPos.x / windowWidth * 2) - 1;
-    float relativeY = (cursorPos.y / windowHeight * 2) - 1;
+	Vec4f rayEye = maths::Dot(m_Camera.InvProjectionMatrix, rayClip);
 
-    float deltaX = relativeX * aspectRatio / zoom;
-    float deltaY = relativeY / zoom;
+	rayEye = { rayEye.x, rayEye.y, -1.0f, 0.0f };
 
-    float worldX = m_CamPos.x + deltaX * (1 - isometricEased) + (0.5 * deltaX + deltaY) * isometricEased;
-    float worldY = m_CamPos.y + deltaY * (1 - isometricEased) + (-0.5 * deltaX + deltaY) * isometricEased;
+	Vec4f rayWorld = maths::Dot(m_Camera.InvViewMatrix, rayEye);
 
-    return { worldX, worldY };
+	float lambda = -m_Camera.CamPos.y / rayWorld.y;
+
+	return { lambda * rayWorld.x + m_Camera.CamPos.x, lambda * rayWorld.z + m_Camera.CamPos.z };
 }
 
 

src/render/VertexCache.cpp

@@ -4,6 +4,8 @@
 namespace td {
 namespace render {
 
+const static int VERTEX_SIZE = 3;
+
 void VertexCache::AddData(std::uint64_t index, std::vector<float> positions, std::vector<float> colors) {
 	m_Indexes.insert({ index, {positions, colors} });
 	m_VertexCount += colors.size(); // one color per vertex
@@ -12,8 +14,8 @@ void VertexCache::AddData(std::uint64_t index, std::vector<float> positions, std
 void VertexCache::RemoveData(std::uint64_t index) {
 	auto it = m_Indexes.find(index);
 	if (it != m_Indexes.end()) {
-        m_Indexes.erase(it);
 		m_VertexCount -= it->second.color.size(); // one color per vertex
+		m_Indexes.erase(it);
 	}
 }
 
@@ -26,7 +28,7 @@ void VertexCache::UpdateVertexArray() {
 	m_VertexArray = std::make_unique<GL::VertexArray>(m_VertexCount); // one color per vertex
 
 	Vector positions;
-    positions.reserve(m_VertexCount * 2);
+	positions.reserve(m_VertexCount * VERTEX_SIZE);
 
 	Vector colors;
 	colors.reserve(m_VertexCount);
@@ -38,8 +40,8 @@ void VertexCache::UpdateVertexArray() {
 		colors.insert(colors.end(), data.color.begin(), data.color.end());
 	}
 
-    GL::VertexBuffer positionsBuffer(positions, 2);
-    positionsBuffer.AddVertexAttribPointer(0, 2, 0);
+	GL::VertexBuffer positionsBuffer(positions, VERTEX_SIZE);
+	positionsBuffer.AddVertexAttribPointer(0, VERTEX_SIZE, 0);
 
 	GL::VertexBuffer colorsBuffer(colors, 1);
 	colorsBuffer.AddVertexAttribPointer(1, 1, 0);

src/render/WorldRenderer.cpp

@@ -32,9 +32,8 @@ void WorldRenderer::LoadModels() {
 }
 
 WorldRenderer::WorldRenderer(game::World* world, client::ClientGame* client) : m_Client(client), m_Renderer(m_Client->GetRenderer()), m_World(world), m_Zoom(0.1) {
-    m_Renderer->SetZoom(m_Zoom);
-    m_Renderer->SetCamMovement({});
 	m_TowerPlacePopup = std::make_unique<gui::TowerPlacePopup>(m_Client->GetClient());
+	m_TowerUpgradePopup = std::make_unique<gui::TowerUpgradePopup>(m_Client->GetClient());
 	m_MobTooltip = std::make_unique<gui::MobTooltip>(m_Client->GetClient());
 	m_CastleTooltip = std::make_unique<gui::CastleTooltip>(m_Client->GetClient());
 	m_Client->GetWorldClient().GetWorldNotifier().BindListener(this);
@@ -47,22 +46,29 @@ void WorldRenderer::UpdateCursorPos() {
 void WorldRenderer::Update() {
 	if (m_WorldVao == nullptr)
 		return;
+
 	ImGuiIO& io = ImGui::GetIO();
-    if (io.MouseDown[0] && !ImGui::IsAnyItemActive()) {
+
+	if (io.MouseDown[0] && !ImGui::IsAnyItemActive() && !ImGui::IsAnyItemHovered()) {
+		ImVec2 mousePos = ImGui::GetIO().MousePos;
 		ImVec2 mouseDelta = ImGui::GetIO().MouseDelta;
-        const float relativeX = mouseDelta.x / (float)Display::GetWindowWidth() * 2;
-        const float relativeY = mouseDelta.y / (float)Display::GetWindowHeight() * 2;
-        MoveCam(relativeX, relativeY, Display::GetAspectRatio());
+		m_Renderer->SetCamMovement({mousePos.x - mouseDelta.x, mousePos.y - mouseDelta.y}, { mousePos.x, mousePos.y });
 	}
+	
+	if (io.MouseDown[1] && !ImGui::IsAnyItemActive() && !ImGui::IsAnyItemHovered()) {
+		ImVec2 mouseDelta = ImGui::GetIO().MouseDelta;
+		m_Renderer->SetCamAngularMovement({ mouseDelta.x, mouseDelta.y });
+	}
+
 	if (io.MouseWheel != 0) {
 		ChangeZoom(io.MouseWheel);
 	}
+
 	UpdateCursorPos();
+
 	if (ImGui::IsMouseClicked(0)) {
-        if (!m_PopupOpened) {
+		if (!m_TowerUpgradePopup->IsPopupOpened()) {
 			m_HoldCursorPos = { io.MousePos.x, io.MousePos.y };
-        } else {
-            m_PopupOpened = false;
 		}
 	}
 
@@ -87,7 +93,8 @@ void WorldRenderer::RenderMobs() const {
 	for (game::MobPtr mob : m_World->GetMobList()) {
 		Renderer::Model model;
 		model.vao = m_MobVao.get();
-        model.positon = { mob->GetCenterX(), mob->GetCenterY() };
+		model.positon = { mob->GetCenterX(), 0, mob->GetCenterY() };
+		model.color = mob->HasTakenDamage() ? Vec3f{ 1, 0.5, 0.5 } : Vec3f{ 1, 1, 1 };
 		m_Renderer->RenderModel(model);
 	}
 }
@@ -104,14 +111,14 @@ void WorldRenderer::RenderTileSelect() const {
 
 	Renderer::Model tileSelectModel;
 	tileSelectModel.vao = m_SelectTileVao.get();
-    tileSelectModel.positon = { std::floor(m_CursorPos.x), std::floor(m_CursorPos.y) };
+	tileSelectModel.positon = { std::floor(m_CursorPos.x), 0, std::floor(m_CursorPos.y) };
 
 	m_Renderer->RenderModel(tileSelectModel);
 }
 
 void WorldRenderer::RenderPopups() {
 	m_TowerPlacePopup->Render();
-    RenderTowerUpgradePopup();
+	m_TowerUpgradePopup->Render();
 }
 
 void WorldRenderer::Render() {
@@ -135,30 +142,23 @@ void WorldRenderer::RenderTooltips() const {
 	RenderCastleTooltip();
 }
 
-void WorldRenderer::MoveCam(float relativeX, float relativeY, float aspectRatio) {
+void WorldRenderer::MoveCam(float relativeX, float relativeY) {
 	if (m_WorldVao == nullptr)
 		return;
-    float movementX = -relativeX / m_Zoom * aspectRatio;
-    float movementY = relativeY / m_Zoom;
-    m_Renderer->SetCamMovement({ movementX, movementY });
+	
 }
 
 void WorldRenderer::ChangeZoom(float zoomStep) {
 	if (m_WorldVao == nullptr)
 		return;
-    static float sensibility = 1.5f;
-    if (zoomStep < 0) {
-        m_Zoom /= -zoomStep * sensibility;
-    } else {
-        m_Zoom *= zoomStep * sensibility;
-    }
-    m_Renderer->SetZoom(m_Zoom);
-    m_Renderer->SetCamMovement({});
+
+	m_Renderer->AddZoom(zoomStep);
 }
 
 void WorldRenderer::Click() {
 	const game::TowerPtr tower = m_Client->GetWorld().GetTower(GetClickWorldPos());
 	m_TowerPlacePopup->SetClickPos(GetClickWorldPos());
+	m_TowerUpgradePopup->SetClickPos(GetClickWorldPos());
 	if (tower != nullptr) { // there is a tower here
 		ImGui::OpenPopup("TowerUpgrade");
 	} else if (m_Client->GetWorld().CanPlaceLittleTower(GetClickWorldPos(), m_Client->GetPlayer()->GetID())) {
@@ -168,70 +168,7 @@ void WorldRenderer::Click() {
 
 void WorldRenderer::SetCamPos(float camX, float camY) {
 	m_CamPos = { camX, camY };
-    m_Renderer->SetCamPos(m_CamPos);
-}
-
-void WorldRenderer::RenderTowerUpgradePopup() {
-    if (ImGui::BeginPopup("TowerUpgrade")) {
-        m_PopupOpened = true;
-        game::TowerPtr tower = m_Client->GetWorld().GetTower(GetClickWorldPos());
-        if (tower == nullptr) {
-            ImGui::EndPopup();
-            return;
-        }
-        ImGui::Text("Tower : %s", game::TowerFactory::GetTowerName(tower->GetType()).c_str());
-
-        for (int y = 0; y < 3; y++) { // path: 0 -> top  1 -> middle  2 -> bottom
-            for (int x = 0; x < 4; x++) { // level: 1, 2, 3, 4
-
-                if (x > 0)
-                    ImGui::SameLine();
-
-                std::uint8_t currentLevel = x + 1;
-                game::TowerPath currentPath = game::TowerPath(y);
-
-                const game::TowerStats* towerStats = game::GetTowerStats(tower->GetType(), { currentLevel, currentPath });
-                game::TowerPath towerPath = tower->GetLevel().GetPath();
-
-                bool disabled = towerStats == nullptr;
-
-                int towerLevel = tower->GetLevel().GetLevel();
-
-                bool alreadyUpgraded = currentLevel <= towerLevel;
-                bool canUpgrade = (towerLevel + 1) == currentLevel;
-
-                if (canUpgrade && towerPath != game::TowerPath::Base) {
-                    if (currentPath != towerPath) {
-                        canUpgrade = false;
-                    }
-                }
-
-                ImGui::PushID(x * 4 + y);
-                if (disabled) {
-                    ImGui::BeginDisabled();
-                    ImGui::PushStyleColor(ImGuiCol_Button, ImVec4(0, 0, 0, 0));
-                    ImGui::Button("", ImVec2(100, 100));
-                    ImGui::PopStyleColor();
-                    ImGui::EndDisabled();
-                } else if (alreadyUpgraded) {
-                    ImGui::BeginDisabled();
-                    ImGui::Button("Already", ImVec2(100, 100));
-                    ImGui::EndDisabled();
-                } else if (canUpgrade) {
-                    if (ImGui::Button("Upgrade", ImVec2(100, 100))) {
-                        m_Client->GetClient()->UpgradeTower(tower->GetID(), { currentLevel, currentPath });
-                    }
-                } else {
-                    ImGui::BeginDisabled();
-                    ImGui::Button("Locked", ImVec2(100, 100));
-                    ImGui::EndDisabled();
-                }
-                ImGui::PopID();
-            }
-        }
-
-        ImGui::EndPopup();
-    }
+	m_Renderer->SetCamLook({ camX, camY });
 }
 
 void WorldRenderer::DetectClick() {
@@ -294,11 +231,11 @@ void WorldRenderer::OnTowerRemove(game::TowerPtr tower) {
 
 Vec2f WorldRenderer::GetCursorWorldPos() const {
 	ImGuiIO& io = ImGui::GetIO();
-    return m_Renderer->GetCursorWorldPos({ io.MousePos.x, io.MousePos.y }, Display::GetAspectRatio(), m_Zoom, Display::GetWindowWidth(), Display::GetWindowHeight());
+	return m_Renderer->GetCursorWorldPos({ io.MousePos.x, io.MousePos.y }, Display::GetWindowWidth(), Display::GetWindowHeight());
 }
 
 Vec2f WorldRenderer::GetClickWorldPos() const {
-    return m_Renderer->GetCursorWorldPos(m_LastClicked, Display::GetAspectRatio(), m_Zoom, Display::GetWindowWidth(), Display::GetWindowHeight());
+	return m_Renderer->GetCursorWorldPos(m_LastClicked, Display::GetWindowWidth(), Display::GetWindowHeight());
 }
 
 } // namespace render

src/render/gui/CastleTooltip.cpp

@@ -1,5 +1,6 @@
 #include "render/gui/CastleTooltip.h"
 #include "render/gui/imgui/imgui.h"
+#include "render/gui/LifeProgress.h"
 
 #include "render/WorldRenderer.h"
 
@@ -15,12 +16,18 @@ CastleTooltip::CastleTooltip(client::Client* client) : GuiWidget(client) {
 void CastleTooltip::Render() {
 	if (m_Castle == nullptr) return;
 
+	if (ImGui::GetIO().KeyShift) {
 		ImGui::BeginTooltip();
 		ImGui::PushStyleColor(ImGuiCol_Text, render::WorldRenderer::GetImGuiTeamColor(m_Castle->GetTeam()->GetColor()));
 		ImGui::Text("Castle : ");
 		ImGui::PopStyleColor();
 		ImGui::Text("\tCastle HP : %i/%i", static_cast<int>(m_Castle->GetLife()), game::TeamCastle::CastleMaxLife);
 		ImGui::EndTooltip();
+	} else {
+		ImGui::BeginTooltip();
+		RenderLifeProgress(m_Castle->GetLife() / static_cast<float>(game::TeamCastle::CastleMaxLife));
+		ImGui::EndTooltip();
+	}
 }
 
 } // namespace gui

src/render/gui/FrameMenu.cpp

@@ -18,9 +18,6 @@ void FrameMenu::Render() {
 	if (ImGui::Checkbox("V-Sync", &m_VSync)) {
 		SDL_GL_SetSwapInterval(m_VSync);
 	}
-    if (ImGui::Checkbox("Vue Isometrique ?", &m_IsometricView)) {
-        GetClient()->GetRenderer()->SetIsometricView(m_IsometricView);
-    }
 
 #if !defined(NDEBUG)
 	ImGui::Checkbox("Demo Window", &m_ShowDemoWindow);

src/render/gui/GameMenu.cpp

@@ -85,6 +85,7 @@ void GameMenu::ShowLobbyProgress() {
 
 void GameMenu::ShowTPS() {
 	ImGui::Text("Server TPS : %.1f", GetClient()->GetConnexion().GetServerTPS());
+	ImGui::Text("Server MSPT : %i", (int)GetClient()->GetConnexion().GetServerMSPT());
 	ImGui::Text("Server Ping : %i", GetClient()->GetConnexion().GetServerPing());
 }
 

src/render/gui/LifeProgress.cpp

@@ -0,0 +1,15 @@
+#include "render/gui/LifeProgress.h"
+
+#include "render/gui/imgui/imgui.h"
+
+namespace td {
+namespace gui {
+
+void RenderLifeProgress(float progress) {
+	ImGui::PushStyleColor(ImGuiCol_PlotHistogram, { 1 - progress, progress, 0, 1 });
+	ImGui::ProgressBar(progress, { 100, 25 }, "");
+	ImGui::PopStyleColor();
+}
+
+} // namespace gui
+} // namespace td

src/render/gui/MobTooltip.cpp

@@ -1,5 +1,6 @@
 #include "render/gui/MobTooltip.h"
 #include "render/gui/imgui/imgui.h"
+#include "render/gui/LifeProgress.h"
 
 #include "render/WorldRenderer.h"
 
@@ -19,6 +20,7 @@ void MobTooltip::Render() {
 
 	// TODO: add sender null check
 
+	if (ImGui::GetIO().KeyShift) {
 		const game::Player* sender = GetClient()->GetGame().GetPlayerById(m_Mob->GetSender());
 		ImGui::BeginTooltip();
 		ImGui::Text("Sender :");
@@ -38,6 +40,11 @@ void MobTooltip::Render() {
 		ImGui::Text("\tEXP cost : %i", m_Mob->GetStats()->GetExpCost());
 		ImGui::Text("\tEXP reward : %i", m_Mob->GetStats()->GetExpReward());
 		ImGui::EndTooltip();
+	} else {
+		ImGui::BeginTooltip();
+		RenderLifeProgress(m_Mob->GetHealth() / m_Mob->GetStats()->GetMaxLife());
+		ImGui::EndTooltip();
+	}
 }
 
 } // namespace gui

src/render/gui/SummonMenu.cpp

@@ -7,9 +7,18 @@ namespace gui {
 
 SummonMenu::SummonMenu(client::Client* client) : GuiWidget(client), m_MenuOpened(true) {
 	m_Values.fill(0);
+	SetCooldown(10);
+}
+
+void SummonMenu::SetCooldown(float cooldown) {
+	m_LastCooldown = cooldown;
+	m_Cooldown = cooldown;
 }
 
 void SummonMenu::Render() {
+	if (m_Cooldown > 0)
+		m_Cooldown = std::max(0.0f, m_Cooldown - ImGui::GetIO().DeltaTime);
+
 	if (m_MenuOpened) {
 		ImGui::Begin("Summon", &m_MenuOpened);
 		ImTextureID my_tex_id = ImGui::GetIO().Fonts->TexID;
@@ -48,7 +57,9 @@ void SummonMenu::Render() {
 			ImGui::PopID();
 		}
 		ImGui::PopItemWidth();
-        if (ImGui::Button("Send")) {
+		if (m_Cooldown > 0) {
+			ImGui::ProgressBar((m_LastCooldown - m_Cooldown) / m_LastCooldown, {}, std::string{ std::to_string((int)m_Cooldown + 1) + "s" }.c_str());
+		} else if (ImGui::Button("Send")) {
 			std::vector<protocol::MobSend> mobSent;
 			protocol::MobSend mobSend;
 			for (int i = 0; i < m_MobTypeCount; i++) {
@@ -59,8 +70,11 @@ void SummonMenu::Render() {
 					mobSent.push_back(mobSend);
 				}
 			}
+			if (mobSent.size() > 0) {
 				m_Client->SendMobs(mobSent);
 				m_Values.fill(0);
+				SetCooldown(10);
+			}
 		}
 		ImGui::End();
 	}

src/render/gui/TowerPlacePopup.cpp

@@ -27,7 +27,7 @@ void TowerPlacePopup::Render() {
 
 				ImGui::BeginChild(std::to_string(i).c_str(), ImVec2(m_TowerPopupTileWidth, m_TowerPopupTileHeight), true);
 
-                ImGui::Text(towerInfo.GetName().c_str());
+				ImGui::Text("%s", towerInfo.GetName().c_str());
 
 				ImGui::SameLine();
 				ImGui::SetCursorPosX(m_TowerPopupTileWidth - 10 - ImGui::CalcTextSize("(?)").x);
@@ -35,7 +35,7 @@ void TowerPlacePopup::Render() {
 
 				if (ImGui::IsItemHovered()) {
 					ImGui::BeginTooltip();
-                    ImGui::Text(towerInfo.GetDescription().c_str());
+					ImGui::Text("%s", towerInfo.GetDescription().c_str());
 					ImGui::EndTooltip();
 				}
 

src/render/gui/TowerUpgradePopup.cpp

@@ -0,0 +1,100 @@
+#include "render/gui/TowerUpgradePopup.h"
+
+#include "render/gui/imgui/imgui.h"
+
+#include "game/Towers.h"
+
+#include "game/client/Client.h"
+
+namespace td {
+namespace gui {
+
+TowerUpgradePopup::TowerUpgradePopup(client::Client* client) : GuiWidget(client), m_ShouldBeClosed(false), m_Opened(false) {
+
+}
+
+void TowerUpgradePopup::SetClickPos(const Vec2f& worldPos) {
+	m_ClickWorldPos = worldPos;
+}
+
+bool TowerUpgradePopup::IsPopupOpened() {
+	return m_Opened;
+}
+
+void TowerUpgradePopup::Render() {
+	if (ImGui::BeginPopup("TowerUpgrade")) {
+		ImGui::BeginChild("TowerUpgradePopupChild", { 450, 350 });
+		if (m_ShouldBeClosed) {
+			ImGui::CloseCurrentPopup();
+			ImGui::EndPopup();
+			return;
+		}
+
+		game::TowerPtr tower = m_Client->GetGame().GetWorld().GetTower(m_ClickWorldPos);
+		if (tower == nullptr) {
+			ImGui::EndPopup();
+			return;
+		}
+		ImGui::Text("Tower : %s", game::TowerFactory::GetTowerName(tower->GetType()).c_str());
+
+		for (int y = 0; y < 3; y++) { // path: 0 -> top  1 -> middle  2 -> bottom
+			for (int x = 0; x < 4; x++) { // level: 1, 2, 3, 4
+
+				if (x > 0)
+					ImGui::SameLine();
+
+				std::uint8_t currentLevel = x + 1;
+				game::TowerPath currentPath = game::TowerPath(y);
+
+				const game::TowerStats* towerStats = game::GetTowerStats(tower->GetType(), { currentLevel, currentPath });
+				game::TowerPath towerPath = tower->GetLevel().GetPath();
+
+				bool disabled = towerStats == nullptr;
+
+				int towerLevel = tower->GetLevel().GetLevel();
+
+				bool alreadyUpgraded = currentLevel <= towerLevel;
+				bool canUpgrade = (towerLevel + 1) == currentLevel;
+
+				if (canUpgrade && towerPath != game::TowerPath::Base) {
+					if (currentPath != towerPath) {
+						canUpgrade = false;
+					}
+				}
+
+				ImGui::PushID(x * 4 + y);
+				if (disabled) {
+					ImGui::BeginDisabled();
+					ImGui::PushStyleColor(ImGuiCol_Button, ImVec4(0, 0, 0, 0));
+					ImGui::Button("", ImVec2(100, 100));
+					ImGui::PopStyleColor();
+					ImGui::EndDisabled();
+				} else if (alreadyUpgraded) {
+					ImGui::BeginDisabled();
+					ImGui::Button("Already", ImVec2(100, 100));
+					ImGui::EndDisabled();
+				} else if (canUpgrade) {
+					if (ImGui::Button("Upgrade", ImVec2(100, 100))) {
+						m_Client->UpgradeTower(tower->GetID(), { currentLevel, currentPath });
+					}
+				} else {
+					ImGui::BeginDisabled();
+					ImGui::Button("Locked", ImVec2(100, 100));
+					ImGui::EndDisabled();
+				}
+				ImGui::PopID();
+			}
+		}
+
+		ImGui::EndChild();
+		ImGui::EndPopup();
+
+		m_Opened = true;
+		return;
+	}
+
+	m_Opened = false;
+}
+
+} // namespace gui
+} // namespace td

src/render/gui/UpdateMenu.cpp

@@ -1,5 +1,7 @@
 #include "render/gui/UpdateMenu.h"
 
+#include "updater/Updater.h"
+
 #include "render/gui/imgui/imgui.h"
 
 #include <chrono>
@@ -7,10 +9,12 @@
 namespace td {
 namespace gui {
 
-UpdateMenu::UpdateMenu(client::Client* client) : GuiWidget(client), m_Opened(true) {
+UpdateMenu::UpdateMenu(client::Client* client) : GuiWidget(client), m_Opened(true), m_Updater(std::make_unique<utils::Updater>()) {
 	CheckUpdates();
 }
 
+UpdateMenu::~UpdateMenu() {}
+
 void UpdateMenu::Render() {
 	RenderErrorPopup();
 	if (m_Opened) {
@@ -20,40 +24,40 @@ void UpdateMenu::Render() {
 			bool updateAvailable = m_UpdateAvailable.get();
 			if (updateAvailable) {
 
-                if (m_Updater.IsFileWrited()) {
+				if (m_Updater->IsFileWrited()) {
 					ImGui::Text("The update is now installed");
 					ImGui::Text("The game needs to be restarted");
-                } else if (m_Updater.IsDownloadComplete()) {
+				} else if (m_Updater->IsDownloadComplete()) {
 					ImGui::Text("Download done!");
 					if (ImGui::Button("Install")) {
-                        if (!m_Updater.WriteFile()) {
+						if (!m_Updater->WriteFile()) {
 							m_Error = "Failed to write file !\n";
 							ImGui::OpenPopup("UpdateError");
 						}
 					}
 					if (ImGui::Button("Cancel")) {
-                        m_Updater.CancelDownload();
-                        m_Updater.ClearCache();
+						m_Updater->CancelDownload();
+						m_Updater->ClearCache();
 					}
 				} else {
-                    if (m_Updater.GetDownloadProgress() > 0) {
+					if (m_Updater->GetDownloadProgress() > 0) {
 						ImGui::Text("Downloading ...");
-                        ImGui::ProgressBar(m_Updater.GetDownloadProgress());
+						ImGui::ProgressBar(m_Updater->GetDownloadProgress());
 						if (ImGui::Button("Cancel")) {
-                            m_Updater.CancelDownload();
+							m_Updater->CancelDownload();
 						}
 					} else {
 						ImGui::Text("An update is available!");
 						ImGui::Separator();
-                        ImGui::Text("Current version : %s", m_Updater.GetCurrentVersion().c_str());
-                        ImGui::Text("Last version : %s", m_Updater.GetLastVersion().c_str());
+						ImGui::Text("Current version : %s", m_Updater->GetCurrentVersion().c_str());
+						ImGui::Text("Last version : %s", m_Updater->GetLastVersion().c_str());
 
-                        bool canDownloadFile = m_Updater.CanUpdate();
+						bool canDownloadFile = m_Updater->CanUpdate();
 
 						if (!canDownloadFile) ImGui::BeginDisabled();
 
 						if (ImGui::Button("Download")) {
-                            m_Updater.DownloadUpdate();
+							m_Updater->DownloadUpdate();
 						}
 
 						if (!canDownloadFile) ImGui::EndDisabled();
@@ -67,8 +71,8 @@ void UpdateMenu::Render() {
 			} else {
 				ImGui::Text("No update available!");
 				ImGui::Separator();
-                ImGui::Text("Current version : %s", m_Updater.GetCurrentVersion().c_str());
-                ImGui::Text("Last version : %s", m_Updater.GetLastVersion().c_str());
+				ImGui::Text("Current version : %s", m_Updater->GetCurrentVersion().c_str());
+				ImGui::Text("Last version : %s", m_Updater->GetLastVersion().c_str());
 			}
 		} else {
 			ImGui::Text("Checking updates ...");
@@ -89,7 +93,7 @@ bool UpdateMenu::IsUpdateChecked() {
 }
 
 void UpdateMenu::CheckUpdates() {
-    m_UpdateAvailable = std::async(std::launch::async, [&]() { return m_Updater.CheckUpdate();});
+	m_UpdateAvailable = std::async(std::launch::async, [&]() { return m_Updater->CheckUpdate();});
 }
 
 } // namespace gui

src/render/loader/WorldLoader.cpp

@@ -10,15 +10,17 @@ namespace render {
 
 namespace WorldLoader {
 
+const static int VERTEX_SIZE = 3;
+
 GL::VertexArray LoadMobModel() {
 	std::vector<float> positions = {
-        -0.5, -0.5,
-        0.5, -0.5,
-        -0.5, 0.5,
+		-0.5, 0, -0.5,
+		0.5, 0, -0.5,
+		-0.5, 0, 0.5,
 
-        0.5, -0.5,
-        -0.5, 0.5,
-        0.5, 0.5
+		0.5, 0, -0.5,
+		-0.5, 0, 0.5,
+		0.5, 0, 0.5
 	};
 
 	float yellowFloat;
@@ -35,8 +37,8 @@ GL::VertexArray LoadMobModel() {
 		yellowFloat
 	};
 
-    GL::VertexBuffer positionVBO(positions, 2);
-    positionVBO.AddVertexAttribPointer(0, 2, 0);
+	GL::VertexBuffer positionVBO(positions, VERTEX_SIZE);
+	positionVBO.AddVertexAttribPointer(0, VERTEX_SIZE, 0);
 	GL::VertexBuffer colorVBO(colors, 1);
 	colorVBO.AddVertexAttribPointer(1, 1, 0);
 
@@ -69,16 +71,16 @@ GL::VertexArray LoadWorldModel(const td::game::World* world) {
 					continue;
 
 				positions.insert(positions.end(), {
-                    static_cast<float>(chunkX + tileX),     static_cast<float>(chunkY + tileY),
-                    static_cast<float>(chunkX + tileX + 1), static_cast<float>(chunkY + tileY),
-                    static_cast<float>(chunkX + tileX),     static_cast<float>(chunkY + tileY + 1),
+					static_cast<float>(chunkX + tileX),  0,    static_cast<float>(chunkY + tileY), 
+					static_cast<float>(chunkX + tileX + 1),  0, static_cast<float>(chunkY + tileY), 
+					static_cast<float>(chunkX + tileX),   0,    static_cast<float>(chunkY + tileY + 1), 
 
-                    static_cast<float>(chunkX + tileX + 1), static_cast<float>(chunkY + tileY),
-                    static_cast<float>(chunkX + tileX),     static_cast<float>(chunkY + tileY + 1),
-                    static_cast<float>(chunkX + tileX + 1), static_cast<float>(chunkY + tileY + 1),
+					static_cast<float>(chunkX + tileX + 1), 0,  static_cast<float>(chunkY + tileY), 
+					static_cast<float>(chunkX + tileX),   0,    static_cast<float>(chunkY + tileY + 1), 
+					static_cast<float>(chunkX + tileX + 1), 0,  static_cast<float>(chunkY + tileY + 1)
 					});
 
-                const td::game::Color* tileColor = world->GetTileColor(tile);
+				const td::Color* tileColor = world->GetTileColor(tile);
 
 				for (int i = 0; i < 6; i++) {
 					int color = 255;
@@ -101,13 +103,13 @@ GL::VertexArray LoadWorldModel(const td::game::World* world) {
 		float fromY = spawn.GetTopLeft().GetY(), toY = spawn.GetBottomRight().GetY();
 
 		positions.insert(positions.end(), {
-            fromX, fromY,
-            fromX, toY,
-            toX, fromY,
+			fromX, 0, fromY,
+			fromX, 0, toY,
+			toX, 0, fromY,
 
-            toX, toY,
-            fromX, toY,
-            toX, fromY,
+			toX, 0, toY,
+			fromX, 0, toY,
+			toX, 0, fromY,
 			});
 
 		for (int i = 0; i < 6; i++) {
@@ -129,13 +131,13 @@ GL::VertexArray LoadWorldModel(const td::game::World* world) {
 		float fromY = castle.GetTopLeft().GetY(), toY = castle.GetBottomRight().GetY();
 
 		positions.insert(positions.end(), {
-            fromX, fromY,
-            fromX, toY,
-            toX, fromY,
+			fromX, 0, fromY,
+			fromX, 0, toY,
+			toX, 0, fromY,
 
-            toX, toY,
-            fromX, toY,
-            toX, fromY,
+			toX, 0, toY,
+			fromX, 0, toY,
+			toX, 0, fromY,
 			});
 
 		for (int i = 0; i < 6; i++) {
@@ -151,12 +153,12 @@ GL::VertexArray LoadWorldModel(const td::game::World* world) {
 		}
 	}
 
-    GL::VertexBuffer positionVBO(positions, 2);
-    positionVBO.AddVertexAttribPointer(0, 2, 0);
+	GL::VertexBuffer positionVBO(positions, VERTEX_SIZE);
+	positionVBO.AddVertexAttribPointer(0, VERTEX_SIZE, 0);
 	GL::VertexBuffer colorVBO(colors, 1);
 	colorVBO.AddVertexAttribPointer(1, 1, 0);
 
-    GL::VertexArray worldVao(positions.size() / 2); // each pos = 2 vertecies
+	GL::VertexArray worldVao(positions.size() / VERTEX_SIZE); // each pos = 3 vertecies
 	worldVao.Bind();
 	worldVao.BindVertexBuffer(positionVBO);
 	worldVao.BindVertexBuffer(colorVBO);
@@ -166,13 +168,13 @@ GL::VertexArray LoadWorldModel(const td::game::World* world) {
 
 GL::VertexArray LoadTileSelectModel() {
 	std::vector<float> positions = {
-        0, 0,
-        1, 0,
-        0, 1,
+		0, 0, 0,
+		1, 0, 0,
+		0, 0, 1,
 
-        1, 0,
-        0, 1,
-        1, 1
+		1, 0, 0,
+		0, 0, 1,
+		1, 0, 1
 	};
 
 	int color = 255 << 24 | 255 << 16 | 255 << 8 | 150;
@@ -182,8 +184,8 @@ GL::VertexArray LoadTileSelectModel() {
 
 	std::vector<float> colors(6, colorFloat);
 
-    GL::VertexBuffer positionVBO(positions, 2);
-    positionVBO.AddVertexAttribPointer(0, 2, 0);
+	GL::VertexBuffer positionVBO(positions, VERTEX_SIZE);
+	positionVBO.AddVertexAttribPointer(0, VERTEX_SIZE, 0);
 	GL::VertexBuffer colorVBO(colors, 1);
 	colorVBO.AddVertexAttribPointer(1, 1, 0);
 
@@ -216,13 +218,13 @@ RenderData LoadTowerModel(game::TowerPtr tower) {
 		towerDY = tower->GetCenterY() + 2.5f;
 	}
 	std::vector<float> positions = {
-        towerX, towerY,
-        towerDX, towerY,
-        towerX, towerDY,
+		towerX, 0, towerY,
+		towerDX, 0, towerY,
+		towerX, 0, towerDY,
 
-        towerDX, towerY,
-        towerX, towerDY,
-        towerDX, towerDY
+		towerDX, 0, towerY,
+		towerX, 0, towerDY,
+		towerDX, 0, towerDY
 	};
 
 	renderData.positions = positions;

src/render/shaders/EntityShader.cpp

@@ -9,24 +9,18 @@ R"(#version 300 es
 
 precision mediump float;
 
-layout(location = 0) in vec2 position;
+layout(location = 0) in vec3 position;
 layout(location = 1) in int color;
 
-uniform vec2 camPos;
-uniform float zoom;
-uniform float aspectRatio;
-uniform vec2 translation;
-uniform float isometricView;
+uniform mat4 viewMatrix;
+uniform mat4 projectionMatrix;
+uniform vec3 modelPosition;
 
 flat out int pass_color;
 
 void main(void){
-    float modelX = position.x + translation.x;
-    float modelY = position.y + translation.y;
-    float x = (modelX - camPos.x - (modelY - camPos.y) * isometricView) / aspectRatio * zoom;
-    float y = ((0.5 * (modelX - camPos.x) + 0.5 * (modelY - camPos.y)) * isometricView + (modelY - camPos.y) * (1.0 - isometricView)) * zoom;
 	pass_color = color;
-	gl_Position = vec4(x, -y, 0.0, 1.0);
+	gl_Position = projectionMatrix * viewMatrix * vec4(position + modelPosition, 1.0);
 }
 )";
 
@@ -39,13 +33,16 @@ flat in int pass_color;
 
 out vec4 out_color;
 
+uniform vec3 ColorEffect;
+
 void main(void){
 
     float r = float(pass_color >> 24 & 0xFF) / 255.0;
     float g = float(pass_color >> 16 & 0xFF) / 255.0;
     float b = float(pass_color >> 8 & 0xFF) / 255.0;
     float a = float(pass_color & 0xFF) / 255.0; 
-	out_color = vec4(r, g, b, a);
+	vec3 intermediate_color = vec3(r, g, b) * ColorEffect;
+	out_color = vec4(intermediate_color, a);
 
 }
 )";
@@ -53,24 +50,18 @@ void main(void){
 static const char vertexSource[] = R"(
 #version 330
 
-layout(location = 0) in vec2 position;
+layout(location = 0) in vec3 position;
 layout(location = 1) in int color;
 
-uniform vec2 camPos;
-uniform float zoom;
-uniform float aspectRatio;
-uniform vec2 translation;
-uniform float isometricView;
+uniform mat4 viewMatrix;
+uniform mat4 projectionMatrix;
+uniform vec3 modelPosition;
 
 flat out int pass_color;
 
 void main(void){
-    float modelX = position.x + translation.x;
-    float modelY = position.y + translation.y;
-    float x = (modelX - camPos.x - (modelY - camPos.y) * isometricView) / aspectRatio * zoom;
-    float y = ((0.5 * (modelX - camPos.x) + 0.5 * (modelY - camPos.y)) * isometricView + (modelY - camPos.y) * (1.0 - isometricView)) * zoom;
 	pass_color = color;
-	gl_Position = vec4(x, -y, 0.0, 1.0);
+	gl_Position = projectionMatrix * viewMatrix * vec4(position + modelPosition, 1.0);
 }
 )";
 
@@ -81,13 +72,16 @@ flat in int pass_color;
 
 out vec4 out_color;
 
+uniform vec3 ColorEffect;
+
 void main(void){
 
     float r = float(pass_color >> 24 & 0xFF) / 255.0;
     float g = float(pass_color >> 16 & 0xFF) / 255.0;
     float b = float(pass_color >> 8 & 0xFF) / 255.0;
     float a = float(pass_color & 0xFF) / 255.0;
-	out_color = vec4(r, g, b, a);
+	vec3 intermediate_color = vec3(r, g, b) * ColorEffect;
+	out_color = vec4(intermediate_color, a);
 
 }
 )";
@@ -100,29 +94,27 @@ void EntityShader::LoadShader() {
 }
 
 void EntityShader::GetAllUniformLocation() {
-    m_LocationAspectRatio = static_cast<unsigned int>(GetUniformLocation("aspectRatio"));
-    m_LocationZoom = static_cast<unsigned int>(GetUniformLocation("zoom"));
-    m_LocationCam = static_cast<unsigned int>(GetUniformLocation("camPos"));
-    m_LocationTranslation = static_cast<unsigned int>(GetUniformLocation("translation"));
-    m_LocationViewtype = static_cast<unsigned int>(GetUniformLocation("isometricView"));
+	m_LocationColorEffect = static_cast<unsigned int>(GetUniformLocation("ColorEffect"));
+	m_LocationViewMatrix = static_cast<unsigned int>(GetUniformLocation("viewMatrix"));
+	m_LocationPosition = static_cast<unsigned int>(GetUniformLocation("modelPosition"));
+	m_LocationProjectionMatrix = static_cast<unsigned int>(GetUniformLocation("projectionMatrix"));
 }
 
-void EntityShader::SetCamPos(const Vec2f& camPos) {
-    LoadVector(m_LocationCam, camPos);
-}
-void EntityShader::SetZoom(float zoom) {
-    LoadFloat(m_LocationZoom, zoom);
-}
-void EntityShader::SetAspectRatio(float aspectRatio) {
-    LoadFloat(m_LocationAspectRatio, aspectRatio);
-}
-void EntityShader::SetModelPos(const Vec2f& modelPos) {
-    LoadVector(m_LocationTranslation, modelPos);
-}
-void EntityShader::SetIsometricView(float isometric) {
-    LoadFloat(m_LocationViewtype, isometric);
+void EntityShader::SetColorEffect(const Vec3f& color) {
+	LoadVector(m_LocationColorEffect, color);
 }
 
+void EntityShader::SetProjectionMatrix(const Mat4f& proj) const {
+	LoadMat4(m_LocationProjectionMatrix, proj);
+}
+
+void EntityShader::SetViewMatrix(const Mat4f& view) const {
+	LoadMat4(m_LocationViewMatrix, view);
+}
+
+void EntityShader::SetModelPos(const Vec3f& pos) const {
+	LoadVector(m_LocationPosition, pos);
+}
 
 } // namespace shader
 } // namespace td

src/render/shaders/ShaderProgram.cpp

@@ -67,6 +67,10 @@ void ShaderProgram::LoadBoolean(unsigned int location, bool value) const {
 	glUniform1i(static_cast<GLint>(location), value);
 }
 
+void ShaderProgram::LoadMat4(unsigned int location, const Mat4f& mat) const {
+	glUniformMatrix4fv(static_cast<GLint>(location), 1, false, reinterpret_cast<const float*>(&mat));
+}
+
 void ShaderProgram::CleanUp() const {
 	Stop();
 	glDetachShader(m_ProgramID, m_VertexShaderID);
@@ -118,6 +122,12 @@ unsigned int ShaderProgram::LoadShader(const std::string& source, GLenum type) {
 		utils::LOGE("Could not compile shader !");
 
 		utils::LOGE(shaderError.data());
+
+		utils::LOGD(utils::format("\nShader source : \n"
+			"------------------------------------------------------------------------------------------------------------------------------------\n"
+			"%s\n"
+			"------------------------------------------------------------------------------------------------------------------------------------\n"
+		, source.c_str()));
 	}
 	return shaderID;
 }

src/render/shaders/WorldShader.cpp

@@ -3,27 +3,25 @@
 namespace td {
 namespace shader {
 
+// TODO: GLES Shaders
+
 #ifdef __ANDROID__
 static const char vertexSource[] =
 R"(#version 300 es
 
 precision mediump float;
 
-layout(location = 0) in vec2 position;
+layout(location = 0) in vec3 position;
 layout(location = 1) in int color;
 
-uniform vec2 camPos;
-uniform float zoom;
-uniform float aspectRatio;
-uniform float isometricView;
+uniform mat4 viewMatrix;
+uniform mat4 projectionMatrix;
 
 flat out int pass_color;
 
 void main(void){
-    float x = (position.x - camPos.x - (position.y - camPos.y) * isometricView) / aspectRatio * zoom;
-    float y = ((0.5 * (position.x - camPos.x) + 0.5 * (position.y - camPos.y)) * isometricView + (position.y - camPos.y) * (1.0 - isometricView)) * zoom;
    	pass_color = color;
-	gl_Position = vec4(x, -y, 0.0, 1.0);
+	gl_Position = projectionMatrix * viewMatrix * vec4(position, 1.0);
 }
 )";
 
@@ -50,21 +48,17 @@ void main(void){
 static const char vertexSource[] = R"(
 #version 330
 
-layout(location = 0) in vec2 position;
+layout(location = 0) in vec3 position;
 layout(location = 1) in int color;
 
-uniform vec2 camPos;
-uniform float zoom;
-uniform float aspectRatio;
-uniform float isometricView;
+uniform mat4 viewMatrix;
+uniform mat4 projectionMatrix;
 
 flat out int pass_color;
 
 void main(void){
-    float x = (position.x - camPos.x - (position.y - camPos.y) * isometricView) / aspectRatio * zoom;
-    float y = ((0.5 * (position.x - camPos.x) + 0.5 * (position.y - camPos.y)) * isometricView + (position.y - camPos.y) * (1.0 - isometricView)) * zoom;
    	pass_color = color;
-	gl_Position = vec4(x, -y, 0.0, 1.0);
+	gl_Position = projectionMatrix * viewMatrix * vec4(position, 1.0);
 }
 )";
 
@@ -94,23 +88,16 @@ void WorldShader::LoadShader() {
 }
 
 void WorldShader::GetAllUniformLocation() {
-    m_LocationAspectRatio = static_cast<unsigned int>(GetUniformLocation("aspectRatio"));
-    m_LocationZoom = static_cast<unsigned int>(GetUniformLocation("zoom"));
-    m_LocationCam = static_cast<unsigned int>(GetUniformLocation("camPos"));
-    m_LocationViewtype = static_cast<unsigned int>(GetUniformLocation("isometricView"));
+	m_LocationProjection = static_cast<unsigned int>(GetUniformLocation("projectionMatrix"));
+	m_LocationView = static_cast<unsigned int>(GetUniformLocation("viewMatrix"));
 }
 
-void WorldShader::SetCamPos(const Vec2f& camPos) {
-    LoadVector(m_LocationCam, camPos);
+void WorldShader::SetProjectionMatrix(const Mat4f& proj) const {
+	LoadMat4(m_LocationProjection, proj);
 }
-void WorldShader::SetZoom(float zoom) {
-    LoadFloat(m_LocationZoom, zoom);
-}
-void WorldShader::SetAspectRatio(float aspectRatio) {
-    LoadFloat(m_LocationAspectRatio, aspectRatio);
-}
-void WorldShader::SetIsometricView(float isometric) {
-    LoadFloat(m_LocationViewtype, isometric);
+
+void WorldShader::SetViewMatrix(const Mat4f& view) const {
+	LoadMat4(m_LocationView, view);
 }
 
 } // namespace shader

xmake.lua

@@ -6,14 +6,14 @@ add_requires("libsdl >= 2", "zlib", "glew")
 target("TowerDefense")
     set_kind("binary")
     add_includedirs("include")
-    add_files("src/*.cpp", "src/*/*.cpp", "src/*/*/*.cpp", "src/*/*/*/*.cpp")
+    add_files("src/**.cpp")
     add_cxflags("-pthread")
 
     add_links("pthread")
 
     set_languages("c++17")
 
-    add_packages("zlib", "libsdl", "glew", "opengl", "glm")
+    add_packages("zlib", "libsdl", "glew", "opengl")
 
     if is_os("windows") then
         add_links("ws2_32") -- link network stuff
@@ -28,7 +28,7 @@ target("TowerDefense")
 
         set_warnings("all", "error")
 
-        set_optimize("smallest")
+        set_optimize("fastest")
 
     else -- debug stuff
         if is_os("linux") then
@@ -37,7 +37,7 @@ target("TowerDefense")
         if is_os("windows") then
             add_links("dbghelp", "psapi", "kernel32", "msvcr90")
         end
-        add_cxflags("-pedantic -Wall -Wextra -Wcast-align -Wcast-qual -Wctor-dtor-privacy -Wdisabled-optimization -Wformat=2 -Winit-self -Wlogical-op -Wmissing-declarations -Wmissing-include-dirs -Wnoexcept -Wold-style-cast -Wredundant-decls -Wshadow -Wsign-conversion -Wsign-promo -Wstrict-null-sentinel -Wstrict-overflow=5 -Wswitch-default -Wundef -Wno-unused")
+        add_cxflags("-pedantic -Wall -Wextra -Wcast-align -Wcast-qual -Wctor-dtor-privacy -Wdisabled-optimization -Wformat=1 -Winit-self -Wlogical-op -Wmissing-declarations -Wmissing-include-dirs -Wnoexcept -Wold-style-cast -Wredundant-decls -Wshadow -Wsign-conversion -Wsign-promo -Wstrict-null-sentinel -Wstrict-overflow=5 -Wswitch-default -Wundef -Wno-unused")
     end