REINGINE/EntityShaderProgram.cpp at master · Mustafasavran/REINGINE · GitHub

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
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
#include "EntityShaderProgram.h"
#include "MathCalc.h"

EntityShaderProgram::EntityShaderProgram(std::string vertexPath, std::string fragmentPath)
	: ShaderProgram(vertexPath, fragmentPath)
{
}

void EntityShaderProgram::loadTransformationMatrix(Entity& entity)
{
	float fArray[16];
	MathCalc::createTransformationMatrix(entity, fArray);

	if(isProgramUsed())
		setUniform4fv("model", fArray);
	else
	{
		useProgram();
		setUniform4fv("model", fArray);
		stopProgram();
	}

}

void EntityShaderProgram::loadViewMatrix(Camera& camera)
{
	float fArray[16];
	MathCalc::createViewMatrix(camera, fArray);

	if (isProgramUsed())
		setUniform4fv("view", fArray);
	else
	{
		useProgram();
		setUniform4fv("view", fArray);
		stopProgram();
	}

}

void EntityShaderProgram::loadProjectionMatrix(ViewFrustum& frustum)
{
	float fArray[16];
	MathCalc::createProjectionMatrix(frustum.getWidth(), frustum.getHeight(), frustum.getFov(), frustum.getNear(), frustum.getFar(), fArray);

	if(isProgramUsed())
		setUniform4fv("projection", fArray);
	else
	{
		useProgram();
		setUniform4fv("projection", fArray);
		stopProgram();
	}
}

void EntityShaderProgram::loadTexture(unsigned int textureUnit)
{
	if(isProgramUsed())
		setUniform1i("texture1", textureUnit);
	else
	{
		useProgram();
		setUniform1i("texture1", textureUnit);
		stopProgram();
	}
}

void EntityShaderProgram::loadViewPos(Camera& camera)
{
	if (isProgramUsed())
		setUniform3f("viewPos", camera.getPositionVec().x, camera.getPositionVec().y, camera.getPositionVec().z);
	else
	{
		useProgram();
		setUniform3f("viewPos", camera.getPositionVec().x, camera.getPositionVec().y, camera.getPositionVec().z);
		stopProgram();
	}
}

void EntityShaderProgram::loadLight(Light& light)
{
	if (isProgramUsed())
	{
		setUniform3f("light.position", light.getPositionVec().x, light.getPositionVec().y, light.getPositionVec().z);
		setUniform3f("light.ambient", light.getAmbientColor().x, light.getAmbientColor().y, light.getAmbientColor().z);
		setUniform3f("light.diffuse", light.getDiffuseColor().x, light.getDiffuseColor().y, light.getDiffuseColor().z);
		setUniform3f("light.specular", light.getSpecularColor().x, light.getSpecularColor().y, light.getSpecularColor().z);
	}

	else
	{
		useProgram();
		setUniform3f("light.position", light.getPositionVec().x, light.getPositionVec().y, light.getPositionVec().z);
		setUniform3f("light.ambient", light.getAmbientColor().x, light.getAmbientColor().y, light.getAmbientColor().z);
		setUniform3f("light.diffuse", light.getDiffuseColor().x, light.getDiffuseColor().y, light.getDiffuseColor().z);
		setUniform3f("light.specular", light.getSpecularColor().x, light.getSpecularColor().y, light.getSpecularColor().z);
		stopProgram();
	}
}