Open source Star Ruler 2 source code!

source/game/render/render_state.h

@@ -0,0 +1,101 @@
+#pragma once
+#include "compat/misc.h"
+#include "render/shader.h"
+#include "color.h"
+#include <string>
+
+#ifndef RENDER_MAX_TEXTURES
+	#define RENDER_MAX_TEXTURES 8
+#endif
+
+namespace render {
+class Texture;
+
+unsigned_enum(FaceCulling) {
+	FC_None,
+	FC_Front,
+	FC_Back,
+	FC_Both
+};
+
+unsigned_enum(DepthTest) {
+	DT_Never,
+	DT_Less,
+	DT_Equal,
+	DT_LessEqual,
+	DT_Greater,
+	DT_NotEqual,
+	DT_GreaterEqual,
+	DT_Always,
+
+	//A depth test that always passes is equivalent to no test
+	DT_NoDepthTest = DT_Always,
+};
+
+unsigned_enum(TextureWrap) {
+	TW_Repeat,
+	TW_Clamp,
+	TW_ClampEdge,
+	TW_Mirror
+};
+
+unsigned_enum(TextureFilter) {
+	TF_Nearest,
+	TF_Linear
+};
+
+unsigned_enum(BaseMaterial) {
+	MAT_Solid,
+	MAT_Add,
+	MAT_Alpha,
+	MAT_Font,
+
+	MAT_Overlay,
+};
+
+unsigned_enum(DrawMode) {
+	DM_Fill,
+	DM_Line,
+};
+
+//Holds the target render state
+//=====
+//Notes:
+// Alpha test is always >0
+// Normalize Normals requires uniform scaling
+struct RenderState {
+	FaceCulling culling : 2;
+	DepthTest depthTest : 4;
+	BaseMaterial baseMat : 3;
+	DrawMode drawMode : 2;
+	bool depthWrite : 1;
+	bool lighting : 1;
+	bool normalizeNormals : 1;
+	TextureWrap wrapHorizontal : 2;
+	TextureWrap wrapVertical : 2;
+	TextureFilter filterMin : 2;
+	TextureFilter filterMag : 2;
+	bool mipmap : 1;
+	bool cachePixels : 1;
+	bool constant : 1;
+
+	Colorf diffuse, specular;
+	float shininess;
+
+	Texture* textures[RENDER_MAX_TEXTURES];
+	const Shader* shader;
+
+	void* operator new(size_t size);
+	void operator delete(void* p);
+
+	RenderState();
+};
+
+struct MaterialGroup {
+	std::string prefix;
+	RenderState base;
+	std::vector<RenderState*> materials;
+	std::vector<std::string> names;
+};
+
+};