void drawrect(int left, int top, int right, int bottom, GLrgba color)
{
float average;
float hue;
int potential;
int repeats;
int height;
int i, j;
bool bright;
GLrgba color_noise;
glDisable(GL_CULL_FACE);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
glLineWidth(1.0f);
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
glColor3fv(&color.red);
if (left == right)
{ //in low resolution, a "rect" might be 1 pixel wide
glBegin(GL_LINES);
glVertex2i(left, top);
glVertex2i(left, bottom);
glEnd();
}
if (top == bottom)
{ //in low resolution, a "rect" might be 1 pixel wide
glBegin(GL_LINES);
glVertex2i(left, top);
glVertex2i(right, top);
glEnd();
}
else
{ // draw one of those fancy 2-dimensional rectangles
glBegin(GL_QUADS);
glVertex2i(left, top);
glVertex2i(right, top);
glVertex2i(right, bottom);
glVertex2i(left, bottom);
glEnd();
average = (color.red + color.blue + color.green) / 3.0f;
bright = average > 0.5f;
potential = (int)(average * 255.0f);
if (bright)
{
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glBegin(GL_POINTS);
for (i = left + 1; i < right - 1; i++)
{
for (j = top + 1; j < bottom - 1; j++)
{
glColor4i(255, 0, RandomVal(potential), 255);
hue = 0.2f + (float)RandomVal(100) / 300.0f + (float)RandomVal(100) / 300.0f + (float)RandomVal(100) / 300.0f;
color_noise = glRgbaFromHsl(hue, 0.3f, 0.5f);
color_noise.alpha = (float)RandomVal(potential) / 144.0f;
glColor4f(RANDOM_COLOR_VAL, RANDOM_COLOR_VAL, RANDOM_COLOR_VAL, (float)RandomVal(potential) / 144.0f);
glColor4fv(&color_noise.red);
glVertex2i(i, j);
}
}
glEnd();
}
repeats = RandomVal(6) + 1;
height = (bottom - top) + (RandomVal(3) - 1) + (RandomVal(3) - 1);
for (i = left; i < right; i++)
{
if (RandomVal(3) == 0)
repeats = RandomVal(4) + 1;
if (RandomVal(6) == 0)
{
height = bottom - top;
height = RandomVal(height);
height = RandomVal(height);
height = RandomVal(height);
height = ((bottom - top) + height) / 2;
}
for (j = 0; j < 1; j++)
{
glBegin(GL_LINES);
glColor4f(0, 0, 0, (float)RandomVal(256) / 256.0f);
glVertex2i(i, bottom - height);
glColor4f(0, 0, 0, (float)RandomVal(256) / 256.0f);
glVertex2i(i, bottom);
glEnd();
}
}
}
}
template< > inline void glColor4< int > (int red,int green,int blue, int alpha ) { glColor4i(red,green,blue,alpha); };
inline void glColor( const GLint & red, const GLint & green, const GLint & blue, const GLint & alpha ) { glColor4i( red, green, blue, alpha ); }
/////////////////////////////////////////////////////////
// Render
//
void GEMglColor4i :: render(GemState *state)
{
glColor4i (red, green, blue, alpha);
}
M(void, glColor4i, jint red, jint green, jint blue, jint alpha) {
glColor4i(red, green, blue, alpha);
}
