fix: android comptatibility

src/render/shaders/EntityShader.cpp

@@ -7,15 +7,18 @@
 
 #include "render/shaders/EntityShader.h"
 
-static const char vertexSource[] = R"(
-#version 330
+#ifdef ANDROID
+static const char vertexSource[] = 
+R"(#version 300 es
 
-in vec2 position;
-in int color;
+precision mediump float;
 
-uniform vec2 camPos = vec2(0, 0);
-uniform float zoom = 1;
-uniform float aspectRatio = 0;
+layout(location = 0) in vec2 position;
+layout(location = 1) in int color;
+
+uniform vec2 camPos;
+uniform float zoom;
+uniform float aspectRatio;
 uniform vec2 translation;
 uniform float isometricView;
 
@@ -25,7 +28,51 @@ 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 - isometricView)) * 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);
+}
+)";
+
+static const char fragmentSource[] = 
+R"(#version 300 es
+
+precision mediump float;
+
+flat in int pass_color;
+
+out vec4 out_color;
+
+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);
+
+}
+)";
+#else
+static const char vertexSource[] = R"(
+#version 330
+
+layout(location = 0) in vec2 position;
+layout(location = 1) in int color;
+
+uniform vec2 camPos;
+uniform float zoom;
+uniform float aspectRatio;
+uniform vec2 translation;
+uniform float isometricView;
+
+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);
 }
@@ -48,6 +95,7 @@ void main(void){
 
 }
 )";
+#endif
 
 EntityShader::EntityShader() : ShaderProgram() {}