paysages3d/lib_paysages/terrain/preview.c
2013-03-31 20:27:21 +00:00

72 lines
1.6 KiB
C

#include "public.h"
#include <stdlib.h>
#include "../tools.h"
#include "../tools/lighting.h"
#include "../renderer.h"
/*
* Terrain previews.
*/
static void _getLightingStatus(Renderer* renderer, LightStatus* status, Vector3 normal, int opaque)
{
LightDefinition light;
UNUSED(renderer);
UNUSED(normal);
UNUSED(opaque);
light.color.r = 0.6;
light.color.g = 0.6;
light.color.b = 0.6;
light.direction.x = -1.0;
light.direction.y = -0.5;
light.direction.z = 1.0;
light.direction = v3Normalize(light.direction);
light.altered = 1;
light.reflection = 0.0;
lightingPushLight(status, &light);
light.color.r = 0.2;
light.color.g = 0.2;
light.color.b = 0.2;
light.direction.x = 1.0;
light.direction.y = -0.5;
light.direction.z = -1.0;
light.direction = v3Normalize(light.direction);
light.altered = 0;
light.reflection = 0.0;
lightingPushLight(status, &light);
}
static Vector3 _getCameraLocation(Renderer* renderer, Vector3 location)
{
UNUSED(renderer);
location.x -= 10.0;
location.y += 15.0;
location.z += 10.0;
return location;
}
Renderer* terrainCreatePreviewRenderer()
{
Renderer* result = rendererCreate();
result->render_quality = 3;
result->getCameraLocation = _getCameraLocation;
result->atmosphere->getLightingStatus = _getLightingStatus;
return result;
}
Color terrainGetPreviewColor(Renderer* renderer, double x, double z, double detail)
{
Vector3 point;
point.x = x;
point.y = renderer->terrain->getHeight(renderer, x, z, 1);
point.z = z;
return renderer->terrain->getFinalColor(renderer, point, detail);
}