librw/tools/im2d/trifan.cpp
2021-03-09 23:52:11 +01:00

120 lines
3.2 KiB
C++

#include <rw.h>
#include <skeleton.h>
#include "im2d.h"
float TriFanData[17][4] = {
{ 0.000f, 1.000f, 0.500f, 1.000f},
{-0.383f, 0.924f, 0.308f, 0.962f},
{-0.707f, 0.707f, 0.146f, 0.854f},
{-0.924f, 0.383f, 0.038f, 0.692f},
{-1.000f, 0.000f, 0.000f, 0.500f},
{-0.924f, -0.383f, 0.038f, 0.308f},
{-0.707f, -0.707f, 0.146f, 0.146f},
{-0.383f, -0.924f, 0.308f, 0.038f},
{ 0.000f, -1.000f, 0.500f, 0.000f},
{ 0.383f, -0.924f, 0.692f, 0.038f},
{ 0.707f, -0.707f, 0.854f, 0.146f},
{ 0.924f, -0.383f, 0.962f, 0.308f},
{ 1.000f, 0.000f, 1.000f, 0.500f},
{ 0.924f, 0.383f, 0.962f, 0.692f},
{ 0.707f, 0.707f, 0.854f, 0.854f},
{ 0.383f, 0.924f, 0.692f, 0.962f},
{ 0.000f, 1.000f, 0.500f, 1.000f}
};
float IndexedTriFanData[16][4] = {
{ 0.000f, 1.000f, 0.500f, 1.000f},
{-0.383f, 0.924f, 0.308f, 0.962f},
{-0.707f, 0.707f, 0.146f, 0.854f},
{-0.924f, 0.383f, 0.038f, 0.692f},
{-1.000f, 0.000f, 0.000f, 0.500f},
{-0.924f, -0.383f, 0.038f, 0.308f},
{-0.707f, -0.707f, 0.146f, 0.146f},
{-0.383f, -0.924f, 0.308f, 0.038f},
{ 0.000f, -1.000f, 0.500f, 0.000f},
{ 0.383f, -0.924f, 0.692f, 0.038f},
{ 0.707f, -0.707f, 0.854f, 0.146f},
{ 0.924f, -0.383f, 0.962f, 0.308f},
{ 1.000f, 0.000f, 1.000f, 0.500f},
{ 0.924f, 0.383f, 0.962f, 0.692f},
{ 0.707f, 0.707f, 0.854f, 0.854f},
{ 0.383f, 0.924f, 0.692f, 0.962f}
};
rw::uint16 IndexedTriFanIndices[17] = {
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 0
};
rw::RWDEVICE::Im2DVertex TriFan[17];
rw::RWDEVICE::Im2DVertex IndexedTriFan[16];
void
TriFanCreate(rw::Camera *camera)
{
float recipZ = 1.0f/camera->nearPlane;
for(int i = 0; i < 17; i++){
TriFan[i].setScreenX(ScreenSize.x/2.0f + TriFanData[i][0]*Scale);
TriFan[i].setScreenY(ScreenSize.y/2.0f - TriFanData[i][1]*Scale);
TriFan[i].setScreenZ(rw::im2d::GetNearZ());
TriFan[i].setRecipCameraZ(recipZ);
TriFan[i].setU(TriFanData[i][2], recipZ);
TriFan[i].setV(TriFanData[i][3], recipZ);
}
}
void
TriFanSetColor(bool white)
{
rw::RGBA SolidColor1 = SolidYellow;
if(white)
SolidColor1 = SolidWhite;
for(int i = 0; i < 17; i++)
TriFan[i].setColor(SolidColor1.red, SolidColor1.green,
SolidColor1.blue, SolidColor1.alpha);
}
void
TriFanRender(void)
{
rw::im2d::RenderPrimitive(rw::PRIMTYPETRIFAN, TriFan, 17);
}
void
IndexedTriFanCreate(rw::Camera *camera)
{
float recipZ = 1.0f/camera->nearPlane;
for(int i = 0; i < 16; i++){
IndexedTriFan[i].setScreenX(ScreenSize.x/2.0f + IndexedTriFanData[i][0]*Scale);
IndexedTriFan[i].setScreenY(ScreenSize.y/2.0f - IndexedTriFanData[i][1]*Scale);
IndexedTriFan[i].setScreenZ(rw::im2d::GetNearZ());
IndexedTriFan[i].setRecipCameraZ(recipZ);
IndexedTriFan[i].setU(IndexedTriFanData[i][2], recipZ);
IndexedTriFan[i].setV(IndexedTriFanData[i][3], recipZ);
}
}
void
IndexedTriFanSetColor(bool white)
{
rw::RGBA SolidColor1 = SolidGreen;
if(white)
SolidColor1 = SolidWhite;
for(int i = 0; i < 16; i++)
IndexedTriFan[i].setColor(SolidColor1.red, SolidColor1.green,
SolidColor1.blue, SolidColor1.alpha);
}
void
IndexedTriFanRender(void)
{
rw::im2d::RenderIndexedPrimitive(rw::PRIMTYPETRIFAN,
IndexedTriFan, 16, IndexedTriFanIndices, 17);
}