void TinyGLRenderer::drawTexturedRect3D(const Math::Vector3d &topLeft, const Math::Vector3d &bottomLeft,
const Math::Vector3d &topRight, const Math::Vector3d &bottomRight, Texture *texture) {
TinyGLTexture *glTexture = static_cast<TinyGLTexture *>(texture);
const float w = glTexture->width / (float)glTexture->internalWidth;
const float h = glTexture->height / (float)glTexture->internalHeight;
tglBlendFunc(TGL_SRC_ALPHA, TGL_ONE_MINUS_SRC_ALPHA);
tglEnable(TGL_BLEND);
tglDepthMask(TGL_FALSE);
tglBindTexture(TGL_TEXTURE_2D, glTexture->id);
tglBegin(TGL_TRIANGLE_STRIP);
tglTexCoord2f(0, 0);
tglVertex3f(-topLeft.x(), topLeft.y(), topLeft.z());
tglTexCoord2f(0, h);
tglVertex3f(-bottomLeft.x(), bottomLeft.y(), bottomLeft.z());
tglTexCoord2f(w, 0);
tglVertex3f(-topRight.x(), topRight.y(), topRight.z());
tglTexCoord2f(w, h);
tglVertex3f(-bottomRight.x(), bottomRight.y(), bottomRight.z());
tglEnd();
tglDisable(TGL_BLEND);
tglDepthMask(TGL_TRUE);
}
void TinyGLRenderer::drawFace(uint face, Texture *texture) {
TinyGLTexture *glTexture = static_cast<TinyGLTexture *>(texture);
tglBindTexture(TGL_TEXTURE_2D, glTexture->id);
tglBegin(TGL_TRIANGLE_STRIP);
for (uint i = 0; i < 4; i++) {
tglTexCoord2f(cubeVertices[5 * (4 * face + i) + 0], cubeVertices[5 * (4 * face + i) + 1]);
tglVertex3f(cubeVertices[5 * (4 * face + i) + 2], cubeVertices[5 * (4 * face + i) + 3], cubeVertices[5 * (4 * face + i) + 4]);
}
tglEnd();
}
void tglDeleteTextures(int n, const unsigned int *textures) {
TinyGL::GLContext *c = TinyGL::gl_get_context();
TinyGL::GLTexture *t;
for (int i = 0; i < n; i++) {
t = TinyGL::find_texture(c, textures[i]);
if (t) {
if (t == c->current_texture) {
tglBindTexture(TGL_TEXTURE_2D, 0);
}
t->disposed = true;
}
}
}
void TinyGLRenderer::drawFace(uint face, Texture *texture) {
TinyGLTexture *glTexture = static_cast<TinyGLTexture *>(texture);
// Used fragment of the texture
const float w = glTexture->width / (float)glTexture->internalWidth;
const float h = glTexture->height / (float)glTexture->internalHeight;
tglBindTexture(TGL_TEXTURE_2D, glTexture->id);
tglBegin(TGL_TRIANGLE_STRIP);
for (uint i = 0; i < 4; i++) {
tglTexCoord2f(w * faceTextureCoords[2 * i + 0], h * faceTextureCoords[2 * i + 1]);
tglVertex3f(cubeFacesVertices[face][3 * i + 0], cubeFacesVertices[face][3 * i + 1], cubeFacesVertices[face][3 * i + 2]);
}
tglEnd();
}
void TinyGLRenderer::draw2DText(const Common::String &text, const Common::Point &position) {
TinyGLTexture *glFont = static_cast<TinyGLTexture *>(_font);
// The font only has uppercase letters
Common::String textToDraw = text;
textToDraw.toUppercase();
tglEnable(TGL_BLEND);
tglBlendFunc(TGL_SRC_ALPHA, TGL_ONE_MINUS_SRC_ALPHA);
tglEnable(TGL_TEXTURE_2D);
tglDepthMask(TGL_FALSE);
tglColor3f(1.0f, 1.0f, 1.0f);
tglBindTexture(TGL_TEXTURE_2D, glFont->id);
int x = position.x;
int y = position.y;
for (uint i = 0; i < textToDraw.size(); i++) {
Common::Rect textureRect = getFontCharacterRect(textToDraw[i]);
int w = textureRect.width();
int h = textureRect.height();
Graphics::BlitTransform transform(x, y);
transform.sourceRectangle(textureRect.left, textureRect.top, w, h);
transform.flip(true, false);
Graphics::tglBlit(glFont->getBlitTexture(), transform);
x += textureRect.width() - 3;
}
tglDisable(TGL_TEXTURE_2D);
tglDisable(TGL_BLEND);
tglDepthMask(TGL_TRUE);
}
