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repaired spellcard wall of text

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This commit is contained in:
laochailan 2017-03-29 11:02:15 +02:00
parent 1e16b9bc0b
commit a97b7d4413
2 changed files with 72 additions and 17 deletions
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40
shader/spellcard_walloftext.sha Normal file
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@ -0,0 +1,40 @@
#version 110
varying float a;
void main(void) {
gl_Position = ftransform();
a = gl_Color.a;
gl_TexCoord[0] = gl_MultiTexCoord0;
}
%% -- FRAG
#version 110
uniform sampler2D tex;
uniform float w,h;
uniform float ratio;
uniform vec2 origin;
uniform float t;
varying float a;
float smoothstep(float x) {
return 1.0/(exp(8.*x)+1.0);
}
void main(void) {
float n = 15.;
vec2 pos = (vec2(gl_TexCoord[0])-origin*vec2(ratio,1.0))*n;
pos.x /= ratio;
pos = vec2(n*atan(pos.x,pos.y),length(pos)+n*t*0.1);
pos.x *= h/w;
pos.x += t*0.5*float(2*int(mod(pos.y,2.0))-1);
pos = mod(pos,vec2(1.0+(0.01/w),1.0));
pos *= vec2(w,h);
vec4 clr = texture2D(tex, pos);
clr.a *= float(pos.x < w && pos.y < h)*(2.*t-t*t);
gl_FragColor = clr;
}

49
src/stage.c
View file

@ -605,6 +605,32 @@ static int apply_shaderrules(ShaderRule *shaderrules, int fbonum) {
return fbonum;
}
static void draw_wall_of_text(float f, const char *txt) {
fontrenderer_draw(&resources.fontren, txt,_fonts.standard);
Texture *tex = &resources.fontren.tex;
int strw = tex->w;
int strh = tex->h;
glPushMatrix();
glTranslatef(VIEWPORT_W/2,VIEWPORT_H/2,0);
glScalef(VIEWPORT_W,VIEWPORT_H,1.);
Shader *shader = get_shader("spellcard_walloftext");
glUseProgram(shader->prog);
glUniform1f(uniloc(shader, "w"), strw/(float)tex->truew);
glUniform1f(uniloc(shader, "h"), strh/(float)tex->trueh);
glUniform1f(uniloc(shader, "ratio"), (float)VIEWPORT_H/VIEWPORT_W);
glUniform2f(uniloc(shader, "origin"), creal(global.boss->pos)/VIEWPORT_H,cimag(global.boss->pos)/VIEWPORT_W);
glUniform1f(uniloc(shader, "t"), f);
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, tex->gltex);
draw_quad();
glUseProgram(0);
glPopMatrix();
}
static void draw_spellbg(int t) {
Boss *b = global.boss;
b->current->draw_rule(b, t);
@ -624,27 +650,16 @@ static void draw_spellbg(int t) {
draw_texture(0,0,"boss_spellcircle0");
glPopMatrix();
int strw = stringwidth(b->current->name,_fonts.standard);
int strh = stringheight(b->current->name,_fonts.standard);
float f = -t/(float)ATTACK_START_DELAY;
Texture *tex = load_text(b->current->name, _fonts.standard);
glPushMatrix();
glTranslatef(VIEWPORT_W/2,VIEWPORT_H/2,0);
glRotatef(20,0,0,1);
glScalef(2,2,1.);
glTranslatef(-VIEWPORT_W/2,-VIEWPORT_H/2,0);
glColor4f(1,1,1,0.5*(1-f*f));
fill_screen_p(global.frames/1000., 0.,1.5*VIEWPORT_H/strh,strh/(float)strw,tex);
fill_screen_p(-global.frames/500.+0.5, global.frames/1000.+0.5,1.5*VIEWPORT_H/strh,strh/(float)strw,tex);
glPopMatrix();
free_texture(tex);
glColor4f(1,1,1,1);
float delay = 0;
if(b->current->type == AT_ExtraSpell)
delay = ATTACK_START_DELAY_EXTRA-ATTACK_START_DELAY;
float f = -(t+delay)/ATTACK_START_DELAY;
draw_wall_of_text(f, b->current->name);
if(t < ATTACK_START_DELAY && b->dialog) {
glPushMatrix();
float f = -0.5*t/(float)ATTACK_START_DELAY+0.5;
glColor4f(1,1,1,f);
glColor4f(1,1,1,-f*f+2*f);
draw_texture_p(VIEWPORT_W*3/4-10*f*f,VIEWPORT_H*2/3-10*f*f,b->dialog);
glColor4f(1,1,1,1);
glPopMatrix();