LogalDeveloper/Minecraft-Overviewer
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added 'color_light' option to lighting mode

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This commit is contained in:
Aaron Griffith
2011-09-19 23:36:21 -04:00
parent b5c86b6bca
commit 426c4e9c05
4 changed files with 122 additions and 25 deletions
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35
overviewer_core/src/rendermode-night.c
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@@ -18,11 +18,36 @@
#include "overviewer.h"
#include <math.h>
/* figures out the black_coeff from a given skylight and blocklight, used in
/* figures out the color from a given skylight and blocklight, used in
lighting calculations -- note this is *different* from the one in
rendermode-lighting.c (the "skylight - 11" part) */
static float calculate_darkness(unsigned char skylight, unsigned char blocklight) {
return 1.0f - powf(0.8f, 15.0 - MAX(blocklight, skylight - 11));
static void
calculate_light_color(void *data,
unsigned char skylight, unsigned char blocklight,
unsigned char *r, unsigned char *g, unsigned char *b) {
unsigned char v = 255 * powf(0.8f, 15.0 - MAX(blocklight, skylight - 11));
*r = v;
*g = v;
*b = v;
}
/* fancy version that uses the colored light texture */
static void
calculate_light_color_fancy(void *data,
unsigned char skylight, unsigned char blocklight,
unsigned char *r, unsigned char *g, unsigned char *b) {
RenderModeLighting *mode = (RenderModeLighting *)(data);
unsigned int index;
PyObject *color;
index = skylight + blocklight * 16;
color = PySequence_GetItem(mode->lightcolor, index);
*r = PyInt_AsLong(PyTuple_GET_ITEM(color, 0));
*g = PyInt_AsLong(PyTuple_GET_ITEM(color, 1));
*b = PyInt_AsLong(PyTuple_GET_ITEM(color, 2));
Py_DECREF(color);
}
static int
@@ -36,7 +61,9 @@ rendermode_night_start(void *data, RenderState *state, PyObject *options) {
/* override the darkness function with our night version! */
self = (RenderModeNight *)data;
self->parent.calculate_darkness = calculate_darkness;
self->parent.calculate_light_color = calculate_light_color;
if (self->parent.color_light)
self->parent.calculate_light_color = calculate_light_color_fancy;
return 0;
}