Open source Star Ruler 2 source code!

source/game/render/driver.h

@@ -0,0 +1,164 @@
+#pragma once
+#include "scene/node.h"
+#include "render/render_state.h"
+#include "render/render_mesh.h"
+#include "render/texture.h"
+#include "matrix.h"
+#include "mesh.h"
+#include "rect.h"
+#include "image.h"
+#include "color.h"
+#include "vec2.h"
+#include "line3d.h"
+
+struct frustum;
+
+namespace scene {
+	class Node;
+};
+
+namespace render {
+
+	enum PrimitiveType {
+		PT_Lines,
+		PT_LineStrip,
+		PT_Triangles,
+		PT_Quads,
+	};
+
+	class Camera;
+
+class RenderDriver {
+public:
+	RenderState activeRenderState;
+	scene::Node rootNode;
+	vec3d cam_pos, cam_facing, cam_up;
+
+	virtual bool init() = 0;
+	virtual void reportErrors(const char* context = nullptr) const = 0;
+
+	virtual const RenderState* getLastRenderState() const = 0;
+
+	virtual void setSkybox(const RenderState* mat) = 0;
+	virtual void setSkyboxMesh(const RenderMesh* mesh) = 0;
+	virtual void setScreenSize(int w, int h) = 0;
+	virtual void setFOV(double fov) = 0;
+	virtual void setNearFarPlanes(double near, double far) = 0;
+
+	virtual const frustum& getViewFrustum() const = 0;
+	virtual void setCameraData(Camera& camera) = 0;
+
+	virtual void setDefaultRenderState() = 0;
+	virtual void set2DRenderState() = 0;
+	virtual void switchToRenderState(const RenderState&) = 0;
+	
+	virtual void setTransformation(const Matrix&) = 0;
+	virtual void setTransformationAbs(const Matrix&) = 0;
+	virtual void setTransformationIdentity() = 0;
+	virtual void setBBTransform(vec3d pos, double width, double rot) = 0;
+	virtual void resetTransformation() = 0;
+	
+	virtual void getInverseView(float* mat3) const = 0;
+
+	virtual void getBillboardVecs(vec3d& upLeft, vec3d& upRight, double rotation = 0) const = 0;
+	virtual void getBillboardVecs(const vec3d& from, vec3d& upLeft, vec3d& upRight, double rotation = 0) const = 0;
+
+	virtual void clearRenderPrepared() = 0;
+	virtual bool isRenderPrepared() = 0;
+	virtual void prepareRender3D(Camera& camera, const recti* clip = 0) = 0;
+	virtual void prepareRender2D() = 0;
+	virtual void renderWorld() = 0;
+
+	virtual RenderMesh* createMesh(const Mesh& mesh) = 0;
+	virtual Shader* createShader() = 0;
+	virtual ShaderProgram* createShaderProgram(const char* vertex_shader, const char* fragment_shader) = 0;
+	virtual Texture* createTexture(Image& image, bool mipmap = true, bool cachePixels = false) = 0;
+	static Texture* createTexture();
+	static Texture* createCubemap();
+
+	virtual Texture* createRenderTarget(const vec2i& size) = 0;
+	virtual void setRenderTarget(Texture* texture, bool intermediate = false) = 0;
+
+	virtual Image* getScreen(int x, int y, int w, int h) = 0;
+
+	virtual void drawFPSGraph(const recti& location) = 0;
+
+	virtual void drawBillboard(vec3d center, double width) = 0;
+
+	virtual void drawLine(line3dd line, Color start, Color end) = 0;
+
+	virtual void drawQuad(
+		const RenderState* mat,
+		const vec2<float>* vertices,
+		const vec2<float>* textureCoords = 0,
+		const Color* color = 0
+	) = 0;
+
+	virtual void drawQuad(
+		const vec2<float>* vertices,
+		const vec2<float>* textureCoords,
+		const Color* colors
+	) = 0;
+
+	virtual void drawQuad(
+		const vec3d* vertices,
+		const vec2<float>* textureCoords,
+		const Color* colors
+	) = 0;
+	
+	virtual void drawRectangle(
+		const recti& rectangle,
+		const RenderState* mat,
+		Color color,
+		const recti* clip = 0
+	) = 0;
+
+	virtual void drawRectangle(
+		recti rectangle,
+		const RenderState* mat = 0,
+		const recti* sourceRect = 0,
+		const Color* color = 0,
+		const recti* clip = 0
+	) = 0;
+
+	virtual void drawRectangle(
+		recti rectangle,
+		const RenderState* mat,
+		const recti* sourceRect,
+		const Color* color,
+		const recti* clip,
+		double rotation
+	) = 0;
+
+	virtual void drawBillboard(
+		vec3d center,
+		double width,
+		const RenderState& mat,
+		double rotation,
+		Color* color = 0
+	) = 0;
+
+	virtual void drawBillboard(
+		vec3d center,
+		double width,
+		const RenderState& mat,
+		const recti& source,
+		Color* color = 0
+	) = 0;
+
+	virtual void drawBillboard(
+		vec3d center,
+		double width,
+		const RenderState& mat,
+		const recti& source,
+		double rotation,
+		Color color = Color()
+	) = 0;
+
+	virtual void pushScreenClip(const recti& box) = 0;
+	virtual void popScreenClip() = 0;
+
+	virtual ~RenderDriver() {}
+};
+
+};