librw/tools/im2d/tristrip.cpp

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2021-03-10 06:52:11 +08:00
#include <rw.h>
#include <skeleton.h>
#include "im2d.h"
float TriStripData[18][4] = {
{ 0.000f, 1.000f, 0.500f, 1.000f},
{ 0.000f, 0.500f, 0.500f, 0.750f},
{ 0.707f, 0.707f, 0.853f, 0.853f},
{ 0.354f, 0.354f, 0.677f, 0.677f},
{ 1.000f, 0.000f, 1.000f, 0.500f},
{ 0.500f, 0.000f, 0.750f, 0.500f},
{ 0.707f, -0.707f, 0.853f, 0.147f},
{ 0.354f, -0.354f, 0.677f, 0.323f},
{ 0.000f, -1.000f, 0.500f, 0.000f},
{ 0.000f, -0.500f, 0.500f, 0.250f},
{-0.707f, -0.707f, 0.147f, 0.147f},
{-0.354f, -0.354f, 0.323f, 0.323f},
{-1.000f, 0.000f, 0.000f, 0.500f},
{-0.500f, 0.000f, 0.250f, 0.500f},
{-0.707f, 0.707f, 0.147f, 0.853f},
{-0.354f, 0.354f, 0.323f, 0.677f},
{ 0.000f, 1.000f, 0.500f, 1.000f},
{ 0.000f, 0.500f, 0.500f, 0.750f}
};
float IndexedTriStripData[16][4] = {
{ 0.000f, 1.000f, 0.500f, 1.000f},
{ 0.707f, 0.707f, 0.853f, 0.853f},
{ 1.000f, 0.000f, 1.000f, 0.500f},
{ 0.707f, -0.707f, 0.853f, 0.147f},
{ 0.000f, -1.000f, 0.500f, 0.000f},
{-0.707f, -0.707f, 0.147f, 0.147f},
{-1.000f, 0.000f, 0.000f, 0.500f},
{-0.707f, 0.707f, 0.147f, 0.853f},
{ 0.000f, 0.500f, 0.500f, 0.750f},
{ 0.354f, 0.354f, 0.677f, 0.677f},
{ 0.500f, 0.000f, 0.750f, 0.500f},
{ 0.354f, -0.354f, 0.677f, 0.323f},
{ 0.000f, -0.500f, 0.500f, 0.250f},
{-0.354f, -0.354f, 0.323f, 0.323f},
{-0.500f, 0.000f, 0.250f, 0.500f},
{-0.354f, 0.354f, 0.323f, 0.677f}
};
rw::uint16 IndexedTriStripIndices[18] = {
0, 8, 1, 9, 2, 10, 3, 11,
4, 12, 5, 13, 6, 14, 7, 15, 0, 8
};
rw::RWDEVICE::Im2DVertex TriStrip[18];
rw::RWDEVICE::Im2DVertex IndexedTriStrip[16];
void
TriStripCreate(rw::Camera *camera)
{
float recipZ = 1.0f/camera->nearPlane;
for(int i = 0; i < 18; i++){
TriStrip[i].setScreenX(ScreenSize.x/2.0f + TriStripData[i][0]*Scale);
TriStrip[i].setScreenY(ScreenSize.y/2.0f - TriStripData[i][1]*Scale);
TriStrip[i].setScreenZ(rw::im2d::GetNearZ());
TriStrip[i].setRecipCameraZ(recipZ);
TriStrip[i].setU(TriStripData[i][2], recipZ);
TriStrip[i].setV(TriStripData[i][3], recipZ);
}
}
void
TriStripSetColor(bool white)
{
rw::RGBA SolidColor1 = SolidPurple;
if(white)
SolidColor1 = SolidWhite;
for(int i = 0; i < 18; i++)
TriStrip[i].setColor(SolidColor1.red, SolidColor1.green,
SolidColor1.blue, SolidColor1.alpha);
}
void
TriStripRender(void)
{
rw::im2d::RenderPrimitive(rw::PRIMTYPETRISTRIP, TriStrip, 18);
}
void
IndexedTriStripCreate(rw::Camera *camera)
{
float recipZ = 1.0f/camera->nearPlane;
for(int i = 0; i < 16; i++){
IndexedTriStrip[i].setScreenX(ScreenSize.x/2.0f + IndexedTriStripData[i][0]*Scale);
IndexedTriStrip[i].setScreenY(ScreenSize.y/2.0f - IndexedTriStripData[i][1]*Scale);
IndexedTriStrip[i].setScreenZ(rw::im2d::GetNearZ());
IndexedTriStrip[i].setRecipCameraZ(recipZ);
IndexedTriStrip[i].setU(IndexedTriStripData[i][2], recipZ);
IndexedTriStrip[i].setV(IndexedTriStripData[i][3], recipZ);
}
}
void
IndexedTriStripSetColor(bool white)
{
rw::RGBA SolidColor1 = SolidCyan;
if(white)
SolidColor1 = SolidWhite;
for(int i = 0; i < 16; i++)
IndexedTriStrip[i].setColor(SolidColor1.red, SolidColor1.green,
SolidColor1.blue, SolidColor1.alpha);
}
void
IndexedTriStripRender(void)
{
rw::im2d::RenderIndexedPrimitive(rw::PRIMTYPETRISTRIP,
IndexedTriStrip, 16, IndexedTriStripIndices, 18);
}