LogalDeveloper/Minecraft-Overviewer
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turned night into a lighting mode option, added 'night' builtin custom mode

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This commit is contained in:
Aaron Griffith
2011-10-26 22:19:27 -04:00
parent 00f06e0499
commit 85da19b1a0
6 changed files with 70 additions and 117 deletions
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50
overviewer_core/src/rendermode-lighting.c
View File

@@ -51,6 +51,39 @@ calculate_light_color_fancy(void *data,
Py_DECREF(color);
}
/* figures out the color from a given skylight and blocklight, used in
lighting calculations -- note this is *different* from the one above
(the "skylight - 11" part)
*/
static void
calculate_light_color_night(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 night version that uses the colored light texture */
static void
calculate_light_color_fancy_night(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);
}
/* loads the appropriate light data for the given (possibly non-local)
* coordinates, and returns a black_coeff this is exposed, so other (derived)
* rendermodes can use it
@@ -319,6 +352,10 @@ rendermode_lighting_start(void *data, RenderState *state, PyObject *options) {
if (!render_mode_parse_option(options, "shade_strength", "f", &(self->shade_strength)))
return 1;
self->night = 0;
if (!render_mode_parse_option(options, "night", "i", &(self->night)))
return 1;
self->color_light = 0;
if (!render_mode_parse_option(options, "color_light", "i", &(self->color_light)))
return 1;
@@ -340,7 +377,11 @@ rendermode_lighting_start(void *data, RenderState *state, PyObject *options) {
self->up_right_skylight = PyObject_GetAttrString(state->self, "up_right_skylight");
self->up_right_blocklight = PyObject_GetAttrString(state->self, "up_right_blocklight");
self->calculate_light_color = calculate_light_color;
if (self->night) {
self->calculate_light_color = calculate_light_color_night;
} else {
self->calculate_light_color = calculate_light_color;
}
if (self->color_light) {
self->lightcolor = PyObject_CallMethod(state->textures, "loadLightColor", "");
@@ -349,7 +390,11 @@ rendermode_lighting_start(void *data, RenderState *state, PyObject *options) {
self->lightcolor = NULL;
self->color_light = 0;
} else {
self->calculate_light_color = calculate_light_color_fancy;
if (self->night) {
self->calculate_light_color = calculate_light_color_fancy_night;
} else {
self->calculate_light_color = calculate_light_color_fancy;
}
}
} else {
self->lightcolor = NULL;
@@ -430,6 +475,7 @@ rendermode_lighting_draw(void *data, RenderState *state, PyObject *src, PyObject
const RenderModeOption rendermode_lighting_options[] = {
{"shade_strength", "how dark to make the shadows, from 0.0 to 1.0 (default: 1.0)"},
{"night", "whether to use nighttime skylight settings (default: False)"},
{"color_light", "whether to use colored light (default: False)"},
{NULL, NULL}
};

106
overviewer_core/src/rendermode-night.c
View File

@@ -1,106 +0,0 @@
/*
* This file is part of the Minecraft Overviewer.
*
* Minecraft Overviewer is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License as published
* by the Free Software Foundation, either version 3 of the License, or (at
* your option) any later version.
*
* Minecraft Overviewer is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with the Overviewer. If not, see <http://www.gnu.org/licenses/>.
*/
#include "overviewer.h"
#include <math.h>
/* 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 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
rendermode_night_start(void *data, RenderState *state, PyObject *options) {
RenderModeNight* self;
/* first, chain up */
int ret = rendermode_lighting.start(data, state, options);
if (ret != 0)
return ret;
/* override the darkness function with our night version! */
self = (RenderModeNight *)data;
self->parent.calculate_light_color = calculate_light_color;
if (self->parent.color_light)
self->parent.calculate_light_color = calculate_light_color_fancy;
return 0;
}
static void
rendermode_night_finish(void *data, RenderState *state) {
/* nothing special to do */
rendermode_lighting.finish(data, state);
}
static int
rendermode_night_occluded(void *data, RenderState *state, int x, int y, int z) {
/* no special occlusion here */
return rendermode_lighting.occluded(data, state, x, y, z);
}
static int
rendermode_night_hidden(void *data, RenderState *state, int x, int y, int z) {
/* no special hiding here */
return rendermode_lighting.hidden(data, state, x, y, z);
}
static void
rendermode_night_draw(void *data, RenderState *state, PyObject *src, PyObject *mask, PyObject *mask_light) {
/* nothing special to do */
rendermode_lighting.draw(data, state, src, mask, mask_light);
}
RenderModeInterface rendermode_night = {
"night", "Night",
"like \"lighting\", except at night",
NULL,
&rendermode_lighting,
sizeof(RenderModeNight),
rendermode_night_start,
rendermode_night_finish,
rendermode_night_occluded,
rendermode_night_hidden,
rendermode_night_draw,
};

1
overviewer_core/src/rendermodes.c
View File

@@ -25,7 +25,6 @@
static RenderModeInterface *render_modes[] = {
&rendermode_normal,
&rendermode_lighting,
&rendermode_night,
&rendermode_smooth_lighting,
&rendermode_spawn,
&rendermode_cave,

8
overviewer_core/src/rendermodes.h
View File

@@ -182,6 +182,7 @@ typedef struct {
float shade_strength;
int color_light;
int night;
} RenderModeLighting;
extern RenderModeInterface rendermode_lighting;
@@ -193,13 +194,6 @@ void get_lighting_color(RenderModeLighting *self, RenderState *state,
int x, int y, int z,
unsigned char *r, unsigned char *g, unsigned char *b);
/* NIGHT */
typedef struct {
/* inherits from lighting */
RenderModeLighting parent;
} RenderModeNight;
extern RenderModeInterface rendermode_night;
/* SMOOTH LIGHTING */
typedef struct {
/* inherits from lighting */