void DrawSprite ( const std::string& sheetname, int sheet_x, int sheet_y, vec2 position, vec2 size, float rotation, colour col )
{
SetShader("Sprite");
EnableTexturing();
EnableBlending();
ClearColour();
SetColour(col);
SpriteSheet* sheet;
SheetMap::iterator iter = spriteSheets.find(sheetname);
if (iter == spriteSheets.end())
{
// load it
sheet = new SpriteSheet(sheetname);
spriteSheets[sheetname] = sheet;
}
else
{
sheet = iter->second;
}
Matrices::SetViewMatrix(matrix2x3::Translate(position));
Matrices::SetModelMatrix(matrix2x3::Identity());
if (sheet->IsRotational())
{
assert(sheet_x == 0);
assert(sheet_y == 0);
sheet->DrawRotation(size, rotation);
}
else
{
glRotatef(RAD2DEG(rotation), 0.0f, 0.0f, 1.0f);
sheet->Draw(sheet_x, sheet_y, size);
}
}
void DrawSpriteFrame ( const std::string& sheetname, vec2 position, vec2 size, int index, float rotation, colour col )
{
SetShader("Sprite");
EnableTexturing();
EnableBlending();
ClearColour();
SetColour(col);
SpriteSheet* sheet;
SheetMap::iterator iter = spriteSheets.find(sheetname);
if (iter == spriteSheets.end())
{
sheet = new SpriteSheet(sheetname);
spriteSheets[sheetname] = sheet;
}
else
{
sheet = iter->second;
}
Matrices::SetViewMatrix(matrix2x3::Translate(position));
Matrices::SetModelMatrix(matrix2x3::Identity());
glRotatef(RAD2DEG(rotation), 0.0f, 0.0f, 1.0f);
int x = index % sheet->SheetTilesX();
int y = (index - x) / sheet->SheetTilesX();
sheet->Draw(x, y, size);
}
void Entity::Draw(ShaderProgram* program, Matrix& gameMatrix, SpriteSheet& sprite) {
sprite.Draw(program, gameMatrix, x, y);
}