1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
|
[vertex]
#ifdef USE_GLES_OVER_GL
#define mediump
#define highp
#else
precision mediump float;
precision mediump int;
#endif
uniform highp mat4 projection_matrix;
uniform highp mat4 modelview_matrix;
uniform highp mat4 extra_matrix;
attribute highp vec3 vertex; // attrib:0
attribute vec4 color_attrib; // attrib:3
attribute highp vec2 uv_attrib; // attrib:4
varying vec2 uv_interp;
varying vec4 color_interp;
#if defined(USE_TIME)
uniform float time;
#endif
#ifdef USE_LIGHTING
uniform highp mat4 light_matrix;
uniform highp mat4 light_local_matrix;
uniform vec2 light_pos;
varying vec4 light_uv_interp;
varying vec4 local_rot;
uniform vec2 normal_flip;
#ifdef USE_SHADOWS
varying highp vec2 pos;
#endif
#endif
#if defined(ENABLE_VAR1_INTERP)
varying vec4 var1_interp;
#endif
#if defined(ENABLE_VAR2_INTERP)
varying vec4 var2_interp;
#endif
//uniform bool snap_pixels;
VERTEX_SHADER_GLOBALS
void main() {
color_interp = color_attrib;
uv_interp = uv_attrib;
highp vec4 outvec = vec4(vertex, 1.0);
{
vec2 src_vtx=outvec.xy;
VERTEX_SHADER_CODE
}
#if !defined(USE_WORLD_VEC)
outvec = extra_matrix * outvec;
outvec = modelview_matrix * outvec;
#endif
#ifdef USE_PIXEL_SNAP
outvec.xy=floor(outvec.xy+0.5);
#endif
gl_Position = projection_matrix * outvec;
#ifdef USE_LIGHTING
light_uv_interp.xy = (light_matrix * outvec).xy;
light_uv_interp.zw =(light_local_matrix * outvec).xy;
#ifdef USE_SHADOWS
pos=outvec.xy;
#endif
local_rot.xy=normalize( (modelview_matrix * ( extra_matrix * vec4(1.0,0.0,0.0,0.0) )).xy )*normal_flip.x;
local_rot.zw=normalize( (modelview_matrix * ( extra_matrix * vec4(0.0,1.0,0.0,0.0) )).xy )*normal_flip.y;
#endif
}
[fragment]
#ifdef USE_GLES_OVER_GL
#define mediump
#define highp
#else
precision mediump float;
precision mediump int;
#endif
uniform sampler2D texture; // texunit:0
uniform sampler2D normal_texture; // texunit:0
varying vec2 uv_interp;
varying vec4 color_interp;
#ifdef MOMO
#endif
#if defined(ENABLE_SCREEN_UV)
uniform vec2 screen_uv_mult;
#endif
#if defined(ENABLE_TEXSCREEN)
uniform vec2 texscreen_screen_mult;
uniform vec4 texscreen_screen_clamp;
uniform sampler2D texscreen_tex;
#endif
#if defined(ENABLE_VAR1_INTERP)
varying vec4 var1_interp;
#endif
#if defined(ENABLE_VAR2_INTERP)
varying vec4 var2_interp;
#endif
#if defined(USE_TIME)
uniform float time;
#endif
#ifdef USE_MODULATE
uniform vec4 modulate;
#endif
#ifdef USE_LIGHTING
uniform sampler2D light_texture;
uniform vec4 light_color;
uniform vec4 light_shadow_color;
uniform float light_height;
varying vec4 light_uv_interp;
uniform float light_outside_alpha;
varying vec4 local_rot;
#ifdef USE_SHADOWS
uniform highp sampler2D shadow_texture;
uniform float shadow_attenuation;
uniform highp mat4 shadow_matrix;
varying highp vec2 pos;
uniform float shadowpixel_size;
#ifdef SHADOW_ESM
uniform float shadow_esm_multiplier;
#endif
#endif
#endif
#if defined(USE_TEXPIXEL_SIZE)
uniform vec2 texpixel_size;
#endif
FRAGMENT_SHADER_GLOBALS
void main() {
vec4 color = color_interp;
#ifdef USE_DISTANCE_FIELD
const float smoothing = 1.0/32.0;
float distance = textureLod(texture, uv_interp,0.0).a;
color.a = smoothstep(0.5 - smoothing, 0.5 + smoothing, distance) * color.a;
#else
color *= texture2D( texture, uv_interp );
#endif
vec3 normal;
normal.xy = textureLod( normal_texture, uv_interp, 0.0 ).xy * 2.0 - 1.0;
normal.z = sqrt(1.0-dot(normal.xy,normal.xy));
#if defined(ENABLE_SCREEN_UV)
vec2 screen_uv = gl_FragCoord.xy*screen_uv_mult;
#endif
{
#if defined(USE_NORMALMAP)
vec3 normal_map=vec3(0.0,0.0,1.0);
float normal_depth=1.0;
#endif
FRAGMENT_SHADER_CODE
#if defined(USE_NORMALMAP)
normal = mix(vec3(0.0,0.0,1.0), normal_map * vec3(2.0,-2.0,1.0) - vec3( 1.0, -1.0, 0.0 ), normal_depth );
#endif
}
#ifdef DEBUG_ENCODED_32
highp float enc32 = dot( color,highp vec4(1.0 / (256.0 * 256.0 * 256.0),1.0 / (256.0 * 256.0),1.0 / 256.0,1) );
color = vec4(vec3(enc32),1.0);
#endif
#ifdef USE_MODULATE
color*=modulate;
#endif
#ifdef USE_LIGHTING
vec2 light_vec = light_uv_interp.zw;; //for shadow and normal mapping
normal.xy = mat2(local_rot.xy,local_rot.zw) * normal.xy;
float att=1.0;
vec2 light_uv = light_uv_interp.xy;
vec4 light = texture2D(light_texture,light_uv) * light_color;
#if defined(USE_OUTPUT_SHADOW_COLOR)
vec4 shadow_color=vec4(0.0,0.0,0.0,0.0);
#endif
if (any(lessThan(light_uv_interp.xy,vec2(0.0,0.0))) || any(greaterThanEqual(light_uv_interp.xy,vec2(1.0,1.0)))) {
color.a*=light_outside_alpha; //invisible
} else {
#if defined(USE_LIGHT_SHADER_CODE)
//light is written by the light shader
{
vec4 light_out=light*color;
LIGHT_SHADER_CODE
color=light_out;
}
#else
vec3 light_normal = normalize(vec3(light_vec,-light_height));
light*=max(dot(-light_normal,normal),0.0);
color*=light;
/*
#ifdef USE_NORMAL
color.xy=local_rot.xy;//normal.xy;
color.zw=vec2(0.0,1.0);
#endif
*/
//light shader code
#endif
#ifdef USE_SHADOWS
float angle_to_light = -atan(light_vec.x,light_vec.y);
float PI = 3.14159265358979323846264;
/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
float ang*/
float su,sz;
float abs_angle = abs(angle_to_light);
vec2 point;
float sh;
if (abs_angle<45.0*PI/180.0) {
point = light_vec;
sh=0.0+(1.0/8.0);
} else if (abs_angle>135.0*PI/180.0) {
point = -light_vec;
sh = 0.5+(1.0/8.0);
} else if (angle_to_light>0.0) {
point = vec2(light_vec.y,-light_vec.x);
sh = 0.25+(1.0/8.0);
} else {
point = vec2(-light_vec.y,light_vec.x);
sh = 0.75+(1.0/8.0);
}
highp vec4 s = shadow_matrix * vec4(point,0.0,1.0);
s.xyz/=s.w;
su=s.x*0.5+0.5;
sz=s.z*0.5+0.5;
highp float shadow_attenuation=0.0;
#ifdef USE_DEPTH_SHADOWS
#define SHADOW_DEPTH(m_tex,m_uv) (texture2D((m_tex),(m_uv)).r)
#else
//#define SHADOW_DEPTH(m_tex,m_uv) dot(texture2D((m_tex),(m_uv)),highp vec4(1.0 / (256.0 * 256.0 * 256.0),1.0 / (256.0 * 256.0),1.0 / 256.0,1) )
#define SHADOW_DEPTH(m_tex,m_uv) dot(texture2D((m_tex),(m_uv)),vec4(1.0 / (256.0 * 256.0 * 256.0),1.0 / (256.0 * 256.0),1.0 / 256.0,1) )
#endif
#ifdef SHADOW_PCF5
shadow_attenuation += SHADOW_DEPTH(shadow_texture,vec2(su,sh))<sz?0.0:1.0;
shadow_attenuation += SHADOW_DEPTH(shadow_texture,vec2(su+shadowpixel_size,sh))<sz?0.0:1.0;
shadow_attenuation += SHADOW_DEPTH(shadow_texture,vec2(su+shadowpixel_size*2.0,sh))<sz?0.0:1.0;
shadow_attenuation += SHADOW_DEPTH(shadow_texture,vec2(su-shadowpixel_size,sh))<sz?0.0:1.0;
shadow_attenuation += SHADOW_DEPTH(shadow_texture,vec2(su-shadowpixel_size*2.0,sh))<sz?0.0:1.0;
shadow_attenuation/=5.0;
#endif
#ifdef SHADOW_PCF13
shadow_attenuation += SHADOW_DEPTH(shadow_texture,vec2(su,sh))<sz?0.0:1.0;
shadow_attenuation += SHADOW_DEPTH(shadow_texture,vec2(su+shadowpixel_size,sh))<sz?0.0:1.0;
shadow_attenuation += SHADOW_DEPTH(shadow_texture,vec2(su+shadowpixel_size*2.0,sh))<sz?0.0:1.0;
shadow_attenuation += SHADOW_DEPTH(shadow_texture,vec2(su+shadowpixel_size*3.0,sh))<sz?0.0:1.0;
shadow_attenuation += SHADOW_DEPTH(shadow_texture,vec2(su+shadowpixel_size*4.0,sh))<sz?0.0:1.0;
shadow_attenuation += SHADOW_DEPTH(shadow_texture,vec2(su+shadowpixel_size*5.0,sh))<sz?0.0:1.0;
shadow_attenuation += SHADOW_DEPTH(shadow_texture,vec2(su+shadowpixel_size*6.0,sh))<sz?0.0:1.0;
shadow_attenuation += SHADOW_DEPTH(shadow_texture,vec2(su-shadowpixel_size*2.0,sh))<sz?0.0:1.0;
shadow_attenuation += SHADOW_DEPTH(shadow_texture,vec2(su-shadowpixel_size*3.0,sh))<sz?0.0:1.0;
shadow_attenuation += SHADOW_DEPTH(shadow_texture,vec2(su-shadowpixel_size*4.0,sh))<sz?0.0:1.0;
shadow_attenuation += SHADOW_DEPTH(shadow_texture,vec2(su-shadowpixel_size*5.0,sh))<sz?0.0:1.0;
shadow_attenuation += SHADOW_DEPTH(shadow_texture,vec2(su-shadowpixel_size*6.0,sh))<sz?0.0:1.0;
shadow_attenuation/=13.0;
#endif
#ifdef SHADOW_ESM
{
float unnormalized = su/shadowpixel_size;
float fractional = fract(unnormalized);
unnormalized = floor(unnormalized);
float zc = SHADOW_DEPTH(shadow_texture,vec2((unnormalized-0.5)*shadowpixel_size,sh));
float zn = SHADOW_DEPTH(shadow_texture,vec2((unnormalized+0.5)*shadowpixel_size,sh));
float z = mix(zc,zn,fractional);
shadow_attenuation=clamp(exp(shadow_esm_multiplier* ( z - sz )),0.0,1.0);
}
#endif
#if !defined(SHADOW_PCF5) && !defined(SHADOW_PCF13) && !defined(SHADOW_ESM)
shadow_attenuation = SHADOW_DEPTH(shadow_texture,vec2(su+shadowpixel_size,sh))<sz?0.0:1.0;
#endif
#if defined(USE_OUTPUT_SHADOW_COLOR)
color=mix(shadow_color,color,shadow_attenuation);
#else
//color*=shadow_attenuation;
color=mix(light_shadow_color,color,shadow_attenuation);
#endif
//use shadows
#endif
}
//use lighting
#endif
//color.rgb*=color.a;
gl_FragColor = color;
}
|