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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#include "FlyingPiece.h"
#include "Game/GlobalUnsynced.h"
#include "Rendering/GlobalRendering.h"
#include "Rendering/GlobalRendering.h"
#include "Rendering/UnitDrawer.h"
#include "Rendering/GL/VertexArray.h"
#include "Rendering/Textures/3DOTextureHandler.h"
#include "Rendering/Textures/S3OTextureHandler.h"
#include "Rendering/Models/3DOParser.h"
#include "Rendering/Models/S3OParser.h"
#include "System/Matrix44f.h"
FlyingPiece::~FlyingPiece() {
delete[] verts;
}
void FlyingPiece::Init(int _team, const float3& _pos, const float3& _speed)
{
prim = NULL;
object = NULL;
verts = NULL;
pos = _pos;
speed = _speed;
texture = 0;
team = _team;
rotAxis = gu->usRandVector().ANormalize();
rotSpeed = gu->usRandFloat() * 0.1f;
rot = 0;
}
void FlyingPiece::Draw(int modelType, size_t* lastTeam, size_t* lastTex, CVertexArray* va) {
if (team != *lastTeam) {
*lastTeam = team;
va->DrawArrayTN(GL_QUADS); //switch to GL_TRIANGLES?
va->Initialize();
unitDrawer->SetTeamColour(team);
}
CMatrix44f m;
m.Rotate(rot, rotAxis);
float3 tp, tn;
const float3 interPos = pos + speed * globalRendering->timeOffset;
switch (modelType) {
case MODELTYPE_3DO: {
const C3DOTextureHandler::UnitTexture* tex = prim->texture;
const std::vector<S3DOVertex>& vertices = object->vertices;
const std::vector<int>& verticesIdx = prim->vertices;
const float uvCoords[8] = {
tex->xstart, tex->ystart,
tex->xend, tex->ystart,
tex->xend, tex->yend,
tex->xstart, tex->yend
};
for (int i = 0; i < 4; i++) {
const S3DOVertex& v = vertices[verticesIdx[i]];
tp = m.Mul(v.pos) + interPos;
tn = m.Mul(v.normal);
va->AddVertexQTN(tp, uvCoords[i << 1], uvCoords[(i << 1) + 1], tn);
}
} break;
case MODELTYPE_S3O: {
if (texture != *lastTex) {
*lastTex = texture;
if (*lastTex == 0) {
return;
}
va->DrawArrayTN(GL_QUADS);
va->Initialize();
texturehandlerS3O->SetS3oTexture(texture);
}
for (int i = 0; i < 4; i++) {
const SS3OVertex& v = verts[i];
tp = m.Mul(v.pos) + interPos;
tn = m.Mul(v.normal);
va->AddVertexQTN(tp, v.textureX, v.textureY, tn);
}
} break;
default: {
} break;
}
}
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