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* vox_loader.h -> Removed Raylib dependencies

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This commit is contained in:
fxgen 2021-09-08 19:18:34 +02:00
parent 43dd221786
commit 25984caa18
1 changed files with 28 additions and 16 deletions
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44
src/external/vox_loader.h vendored
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@ -22,7 +22,7 @@
THE SOFTWARE.
vox_loader - v1.00
vox_loader - v1.01
no warranty implied; use at your own risk
Do this:
@ -39,6 +39,7 @@
revision history:
1.00 (2021-09-03) first released version
1.01 (2021-09-07) Support custom memory allocators
Removed Raylib dependencies
*/
@ -59,6 +60,17 @@ extern "C" {
#define VOX_ERROR_INVALID_FORMAT (-2)
#define VOX_ERROR_FILE_VERSION_TOO_OLD (-3)
// VoxColor, 4 components, R8G8B8A8 (32bit)
typedef struct {
unsigned char r, g, b, a;
} VoxColor;
// VoxVector3, 3 components
typedef struct {
float x, y, z;
} VoxVector3;
typedef struct
{
int* array;
@ -67,13 +79,13 @@ extern "C" {
typedef struct
{
Vector3* array;
VoxVector3* array;
int used, size;
} ArrayVector3;
typedef struct
{
Color* array;
VoxColor* array;
int used, size;
} ArrayColor;
@ -119,7 +131,7 @@ extern "C" {
ArrayColor colors;
//Palette for voxels
Color palette[256];
VoxColor palette[256];
} VoxArray3D;
@ -213,17 +225,17 @@ void freeArrayUShort(ArrayUShort* a)
void initArrayVector3(ArrayVector3* a, int initialSize)
{
a->array = VOX_MALLOC(initialSize * sizeof(Vector3));
a->array = VOX_MALLOC(initialSize * sizeof(VoxVector3));
a->used = 0;
a->size = initialSize;
}
void insertArrayVector3(ArrayVector3* a, Vector3 element)
void insertArrayVector3(ArrayVector3* a, VoxVector3 element)
{
if (a->used == a->size)
{
a->size *= 2;
a->array = VOX_REALLOC(a->array, a->size * sizeof(Vector3));
a->array = VOX_REALLOC(a->array, a->size * sizeof(VoxVector3));
}
a->array[a->used++] = element;
}
@ -241,17 +253,17 @@ void freeArrayVector3(ArrayVector3* a)
void initArrayColor(ArrayColor* a, int initialSize)
{
a->array = VOX_MALLOC(initialSize * sizeof(Color));
a->array = VOX_MALLOC(initialSize * sizeof(VoxColor));
a->used = 0;
a->size = initialSize;
}
void insertArrayColor(ArrayColor* a, Color element)
void insertArrayColor(ArrayColor* a, VoxColor element)
{
if (a->used == a->size)
{
a->size *= 2;
a->array = VOX_REALLOC(a->array, a->size * sizeof(Color));
a->array = VOX_REALLOC(a->array, a->size * sizeof(VoxColor));
}
a->array[a->used++] = element;
}
@ -301,7 +313,7 @@ const int fv[6][4] = {
{4, 6, 7, 5 } };//+Z
const Vector3 SolidVertex[] = {
const VoxVector3 SolidVertex[] = {
{0, 0, 0}, //0
{1, 0, 0}, //1
{0, 1, 0}, //2
@ -482,10 +494,10 @@ unsigned char Vox_CalcFacesVisible(VoxArray3D* pvoxArray, int cx, int cy, int cz
}
// Get a vertex position from a voxel's corner
Vector3 Vox_GetVertexPosition(int _wcx, int _wcy, int _wcz, int _nNumVertex)
VoxVector3 Vox_GetVertexPosition(int _wcx, int _wcy, int _wcz, int _nNumVertex)
{
float scale = 0.25;
Vector3 vtx = SolidVertex[_nNumVertex];
VoxVector3 vtx = SolidVertex[_nNumVertex];
vtx.x = (vtx.x + _wcx) * scale;
vtx.y = (vtx.y + _wcy) * scale;
vtx.z = (vtx.z + _wcz) * scale;
@ -502,7 +514,7 @@ void Vox_Build_Voxel(VoxArray3D* pvoxArray, int x, int y, int z, int matID)
return;
int i, j;
Vector3 vertComputed[8];
VoxVector3 vertComputed[8];
int bVertexComputed[8];
memset(vertComputed, 0, sizeof(vertComputed));
memset(bVertexComputed, 0, sizeof(bVertexComputed));
@ -543,7 +555,7 @@ void Vox_Build_Voxel(VoxArray3D* pvoxArray, int x, int y, int z, int matID)
insertArrayVector3(&pvoxArray->vertices, vertComputed[v2]);
insertArrayVector3(&pvoxArray->vertices, vertComputed[v3]);
Color col = pvoxArray->palette[matID];
VoxColor col = pvoxArray->palette[matID];
insertArrayColor(&pvoxArray->colors, col);
insertArrayColor(&pvoxArray->colors, col);
@ -679,7 +691,7 @@ int Vox_LoadFileName(const char* pszfileName, VoxArray3D* pvoxarray)
}
else if (strcmp(szChunkName, "RGBA") == 0)
{
Color col;
VoxColor col;
//(each pixel: 1 byte x 4 : r, g, b, a ) x 256
for (int i = 0; i < 256 - 1; i++)