summaryrefslogtreecommitdiff
path: root/gfx/gl/sceneShader.h
blob: 7e31cb8e79195315c1f56c7efe7e638418375661 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
#pragma once

#include "config/types.h"
#include "program.h"
#include <glArrays.h>

class Location;

class SceneShader {
	class SceneProgram : public Program {
	public:
		template<typename... S>
		inline explicit SceneProgram(const S &... srcs) :
			Program {srcs...}, viewProjectionLoc {*this, "viewProjection"}, viewPointLoc {*this, "viewPoint"},
			viewPortLoc {*this, "viewPort"}
		{
		}

		void setViewProjection(const GlobalPosition3D &, const glm::mat4 &) const;
		void setViewPort(const ViewPort &) const;

	private:
		RequiredUniformLocation viewProjectionLoc, viewPointLoc;
		UniformLocation viewPortLoc;
	};

	class BasicProgram : public SceneProgram {
	public:
		BasicProgram();
		void setModel(const Location &) const;
		void use(const Location &) const;

	private:
		RequiredUniformLocation modelLoc;
		RequiredUniformLocation modelPosLoc;
	};

	class AbsolutePosProgram : public SceneProgram {
	public:
		using Program::use;
		using SceneProgram::SceneProgram;
	};

	class WaterProgram : public SceneProgram {
	public:
	public:
		WaterProgram();
		void use(float waveCycle) const;

	private:
		RequiredUniformLocation waveLoc;
	};

	class PointLightShader : public SceneProgram {
	public:
		PointLightShader();

		void add(const Position3D & position, const RGB & colour, const float kq) const;

	private:
		UniformLocation colourLoc;
		UniformLocation kqLoc;
		UniformLocation viewPointLoc;
		glVertexArray va;
		glBuffer b;
	};

public:
	SceneShader();

	BasicProgram basic;
	WaterProgram water;
	AbsolutePosProgram basicInst, landmass, absolute, spotLightInst;
	PointLightShader pointLight;

	void setViewProjection(const GlobalPosition3D & viewPoint, const glm::mat4 & viewProjection) const;
	void setViewPort(const ViewPort & viewPort) const;
};