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migrated cave mode into cave and depth-tinting primitives

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This commit is contained in:
Aaron Griffith
2012-01-08 18:29:32 -05:00
parent 30c4bb26c3
commit c93715ebfa
4 changed files with 151 additions and 166 deletions
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57
overviewer_core/rendermodes.py
View File

@@ -59,6 +59,40 @@ class EdgeLines(RenderPrimitive):
"opacity": ("darkness of the edge lines, from 0.0 to 1.0", 0.15),
}
class Cave(RenderPrimitive):
name = "cave"
options = {
"only_lit": ("only render lit caves", False),
}
class DepthTinting(RenderPrimitive):
name = "depth-tinting"
@property
def depth_colors(self):
depth_colors = getattr(self, "_depth_colors", [])
if depth_colors:
return depth_colors
r = 255
g = 0
b = 0
for z in range(128):
depth_colors.append(r)
depth_colors.append(g)
depth_colors.append(b)
if z < 32:
g += 7
elif z < 64:
r -= 7
elif z < 96:
b += 7
else:
g -= 7
self._depth_colors = depth_colors
return depth_colors
# Render 3 blending masks for lighting
# first is top (+Z), second is left (-X), third is right (+Y)
def generate_facemasks():
@@ -90,26 +124,3 @@ def generate_facemasks():
return (top, left, right)
facemasks = generate_facemasks()
# Render 128 different color images for color coded depth blending in cave mode
def generate_depthcolors():
depth_colors = []
r = 255
g = 0
b = 0
for z in range(128):
depth_colors.append(r)
depth_colors.append(g)
depth_colors.append(b)
if z < 32:
g += 7
elif z < 64:
r -= 7
elif z < 96:
b += 7
else:
g -= 7
return depth_colors
depth_colors = generate_depthcolors()

162
overviewer_core/src/rendermode-cave.c → overviewer_core/src/primitives/cave.c
View File

@@ -15,15 +15,32 @@
* with the Overviewer. If not, see <http://www.gnu.org/licenses/>.
*/
#include "overviewer.h"
#include "../overviewer.h"
#include <math.h>
typedef struct {
/* data used to know where the surface is */
PyObject *skylight;
PyObject *left_skylight;
PyObject *right_skylight;
PyObject *up_left_skylight;
PyObject *up_right_skylight;
/* data used to know where the lit caves are */
PyObject *blocklight;
PyObject *left_blocklight;
PyObject *right_blocklight;
PyObject *up_left_blocklight;
PyObject *up_right_blocklight;
int only_lit;
} RenderPrimitiveCave;
static inline int
touches_light(unsigned int x, unsigned int y, unsigned int z,
PyObject *light, PyObject *left_light, PyObject *right_light,
PyObject *up_left_light, PyObject *up_right_light) {
if (getArrayByte3D(light, x, y, z+1) != 0) {
return 1;
}
@@ -79,10 +96,11 @@ touches_light(unsigned int x, unsigned int y, unsigned int z,
return 0;
}
static inline int
rendermode_cave_adjacent_occluded(void *data, RenderState *state, int x, int y, int z) {
/* check for occlusion of edge blocks, using adjacent block data */
static int
cave_occluded(void *data, RenderState *state, int x, int y, int z) {
/* check for normal occlusion */
/* use ajacent chunks, if not you get blocks spreaded in chunk edges */
if (z != 127) {
if ( (x == 0) && (y != 15) ) {
if (state->left_blocks != Py_None) {
@@ -133,26 +151,11 @@ rendermode_cave_adjacent_occluded(void *data, RenderState *state, int x, int y,
}
static int
rendermode_cave_occluded(void *data, RenderState *state, int x, int y, int z) {
/* first, check to see if it's "normally" occluded */
if (rendermode_lighting.occluded(data, state, x, y, z))
return 1;
/* check for normal occlusion */
/* use ajacent chunks, if not you get blocks spreaded in chunk edges */
return rendermode_cave_adjacent_occluded(data, state, x, y, z);
}
static int
rendermode_cave_hidden(void *data, RenderState *state, int x, int y, int z) {
RenderModeCave* self;
cave_hidden(void *data, RenderState *state, int x, int y, int z) {
RenderPrimitiveCave* self;
int dz = 0;
self = (RenderModeCave *)data;
self = (RenderPrimitiveCave *)data;
/* first, check to see if it's "normally" hidden */
if (rendermode_lighting.hidden(data, state, x, y, z))
return 1;
/* check if the block is touching skylight */
if (z != 127) {
@@ -190,51 +193,25 @@ rendermode_cave_hidden(void *data, RenderState *state, int x, int y, int z) {
/* unfortunate side-effect of lit cave mode: we need to count occluded
* blocks as hidden for the lighting to look right, since technically our
* hiding depends on occlusion as well
*
* We leave out this check otherwise because it's fairly expensive.
*/
if (self->lighting) {
if ( (x != 0) && (y != 15) && (z != 127) &&
!is_transparent(getArrayByte3D(state->blocks, x-1, y, z)) &&
!is_transparent(getArrayByte3D(state->blocks, x, y, z+1)) &&
!is_transparent(getArrayByte3D(state->blocks, x, y+1, z))) {
return 1;
}
return rendermode_cave_adjacent_occluded(data, state, x, y, z);
if ( (x != 0) && (y != 15) && (z != 127) &&
!is_transparent(getArrayByte3D(state->blocks, x-1, y, z)) &&
!is_transparent(getArrayByte3D(state->blocks, x, y, z+1)) &&
!is_transparent(getArrayByte3D(state->blocks, x, y+1, z))) {
return 1;
}
return 0;
return cave_occluded(data, state, x, y, z);
}
static int
rendermode_cave_start(void *data, RenderState *state, PyObject *options) {
RenderModeCave* self;
cave_start(void *data, RenderState *state, PyObject *support) {
RenderPrimitiveCave* self;
int ret;
self = (RenderModeCave *)data;
self = (RenderPrimitiveCave *)data;
/* first, chain up */
ret = rendermode_lighting.start(data, state, options);
if (ret != 0)
return ret;
self->depth_tinting = 1;
if (!render_mode_parse_option(options, "depth_tinting", "i", &(self->depth_tinting)))
if (!render_mode_parse_option(support, "only_lit", "i", &(self->only_lit)))
return 1;
self->only_lit = 0;
if (!render_mode_parse_option(options, "only_lit", "i", &(self->only_lit)))
return 1;
self->lighting = 0;
if (!render_mode_parse_option(options, "lighting", "i", &(self->lighting)))
return 1;
if (self->lighting)
{
/* we can't skip lighting the sides in cave mode, it looks too weird */
self->parent.skip_sides = 0;
}
/* if there's skylight we are in the surface! */
self->skylight = get_chunk_data(state, CURRENT, SKYLIGHT);
@@ -251,16 +228,13 @@ rendermode_cave_start(void *data, RenderState *state, PyObject *options) {
self->up_right_blocklight = get_chunk_data(state, UP_RIGHT, BLOCKLIGHT);
}
/* colors for tinting */
self->depth_colors = PyObject_GetAttrString(state->support, "depth_colors");
return 0;
}
static void
rendermode_cave_finish(void *data, RenderState *state) {
RenderModeCave* self;
self = (RenderModeCave *)data;
cave_finish(void *data, RenderState *state) {
RenderPrimitiveCave* self;
self = (RenderPrimitiveCave *)data;
Py_DECREF(self->skylight);
Py_DECREF(self->left_skylight);
@@ -275,55 +249,13 @@ rendermode_cave_finish(void *data, RenderState *state) {
Py_DECREF(self->up_left_blocklight);
Py_DECREF(self->up_right_blocklight);
}
Py_DECREF(self->depth_colors);
rendermode_lighting.finish(data, state);
}
static void
rendermode_cave_draw(void *data, RenderState *state, PyObject *src, PyObject *mask, PyObject *mask_light) {
RenderModeCave* self;
int z, r, g, b;
self = (RenderModeCave *)data;
z = state->z;
r = 0, g = 0, b = 0;
/* draw the normal block */
if (self->lighting) {
rendermode_lighting.draw(data, state, src, mask, mask_light);
} else {
rendermode_normal.draw(data, state, src, mask, mask_light);
}
if (self->depth_tinting) {
/* get the colors and tint and tint */
r = PyInt_AsLong(PyList_GetItem(self->depth_colors, 0 + z*3));
g = PyInt_AsLong(PyList_GetItem(self->depth_colors, 1 + z*3));
b = PyInt_AsLong(PyList_GetItem(self->depth_colors, 2 + z*3));
tint_with_mask(state->img, r, g, b, 255, mask, state->imgx, state->imgy, 0, 0);
}
}
const RenderModeOption rendermode_cave_options[] = {
{"depth_tinting", "tint caves based on how deep they are (default: True)"},
{"only_lit", "only render lit caves (default: False)"},
{"lighting", "render caves with lighting enabled (default: False)"},
{NULL, NULL}
};
RenderModeInterface rendermode_cave = {
"cave", "Cave",
"render only caves",
rendermode_cave_options,
&rendermode_lighting,
sizeof(RenderModeCave),
rendermode_cave_start,
rendermode_cave_finish,
rendermode_cave_occluded,
rendermode_cave_hidden,
rendermode_cave_draw,
RenderPrimitiveInterface primitive_cave = {
"cave", sizeof(RenderPrimitiveCave),
cave_start,
cave_finish,
cave_occluded,
cave_hidden,
NULL,
};

70
overviewer_core/src/primitives/depth-tinting.c Normal file
View File

@@ -0,0 +1,70 @@
/*
* 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>
typedef struct {
/* list of colors used for tinting */
PyObject *depth_colors;
} RenderPrimitiveDepthTinting;
static int
depth_tinting_start(void *data, RenderState *state, PyObject *support) {
RenderPrimitiveDepthTinting* self;
self = (RenderPrimitiveDepthTinting *)data;
self->depth_colors = PyObject_GetAttrString(support, "depth_colors");
if (self->depth_colors == NULL)
return 1;
return 0;
}
static void
depth_tinting_finish(void *data, RenderState *state) {
RenderPrimitiveDepthTinting* self;
self = (RenderPrimitiveDepthTinting *)data;
Py_DECREF(self->depth_colors);
}
static void
depth_tinting_draw(void *data, RenderState *state, PyObject *src, PyObject *mask, PyObject *mask_light) {
RenderPrimitiveDepthTinting* self;
int z, r, g, b;
self = (RenderPrimitiveDepthTinting *)data;
z = state->z;
r = 0, g = 0, b = 0;
/* get the colors and tint and tint */
r = PyInt_AsLong(PyList_GetItem(self->depth_colors, 0 + z*3));
g = PyInt_AsLong(PyList_GetItem(self->depth_colors, 1 + z*3));
b = PyInt_AsLong(PyList_GetItem(self->depth_colors, 2 + z*3));
tint_with_mask(state->img, r, g, b, 255, mask, state->imgx, state->imgy, 0, 0);
}
RenderPrimitiveInterface primitive_depth_tinting = {
"depth-tinting", sizeof(RenderPrimitiveDepthTinting),
depth_tinting_start,
depth_tinting_finish,
NULL,
NULL,
depth_tinting_draw,
};

28
overviewer_core/src/rendermodes.h
View File

@@ -174,34 +174,6 @@ typedef struct {
} RenderModeSpawn;
extern RenderModeInterface rendermode_spawn;
/* CAVE */
typedef struct {
/* render blocks with lighting mode */
RenderModeLighting parent;
/* data used to know where the surface is */
PyObject *skylight;
PyObject *left_skylight;
PyObject *right_skylight;
PyObject *up_left_skylight;
PyObject *up_right_skylight;
/* data used to know where the surface is */
PyObject *blocklight;
PyObject *left_blocklight;
PyObject *right_blocklight;
PyObject *up_left_blocklight;
PyObject *up_right_blocklight;
/* colors used for tinting */
PyObject *depth_colors;
int depth_tinting;
int only_lit;
int lighting;
} RenderModeCave;
extern RenderModeInterface rendermode_cave;
/* MINERAL */
typedef struct {
/* inherits from overlay */