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
|
/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#ifndef CUBEMAP_HANDLER_HDR
#define CUBEMAP_HANDLER_HDR
#include "Rendering/GL/FBO.h"
class CubeMapHandler {
public:
CubeMapHandler(): reflectionCubeFBO(true) {}
bool Init();
void Free();
void UpdateReflectionTexture();
unsigned int GetEnvReflectionTextureID() const { return envReflectionTexID; }
unsigned int GetSkyReflectionTextureID() const { return skyReflectionTexID; }
unsigned int GetReflectionTextureSize() const { return reflectionTexSize; }
private:
void CreateReflectionFace(unsigned int, bool);
unsigned int envReflectionTexID; // sky and map
unsigned int skyReflectionTexID; // sky only
unsigned int reflectionTexSize;
unsigned int currReflectionFace;
bool mapSkyReflections;
bool generateMipMaps;
FBO reflectionCubeFBO;
const float3 faceDirs[6][3] = {
{ RgtVector, FwdVector, UpVector}, // fwd = +x, right = +z, up = +y
{-RgtVector, -FwdVector, UpVector}, // fwd = -x
{ UpVector, RgtVector, -FwdVector}, // fwd = +y
{ -UpVector, RgtVector, FwdVector}, // fwd = -y
{ FwdVector, -RgtVector, UpVector}, // fwd = +z
{-FwdVector, RgtVector, UpVector}, // fwd = -z
};
const float4 faceColors[6] = {
{1.0f, 0.0f, 0.0f, 1.0f}, // red
{0.0f, 1.0f, 0.0f, 1.0f}, // green
{0.0f, 0.0f, 1.0f, 1.0f}, // blue
{1.0f, 1.0f, 0.0f, 1.0f}, // yellow
{1.0f, 0.0f, 1.0f, 1.0f}, // purple
{0.0f, 1.0f, 1.0f, 1.0f}, // cyan
};
};
extern CubeMapHandler cubeMapHandler;
#endif
|
