First commit

1 files changed, 199 insertions, 0 deletions

diff --git a/examples/n00bdemo/overlay.c b/examples/n00bdemo/overlay.c
new file mode 100644
index 0000000..9b04274
--- /dev/null
+++ b/examples/n00bdemo/overlay.c
@@ -0,0 +1,199 @@
+#include <sys/types.h>
+#include <psxgte.h>
+#include <psxgpu.h>
+#include "disp.h"
+
+extern const char scroll_text[];
+extern unsigned short lamelotl_tpage,psn00b_tpage;
+extern unsigned short font_tpage,font_clut;
+
+extern SPRT llotl_sprite;
+extern SPRT psn00b_sprite;
+
+u_char font_width[] = {
+	10	,6	,12	,16	,12	,14	,14	,8	,10	,10	,14	,12	,8	,14	,6	,14	,
+	14	,6	,12	,13	,14	,14	,14	,14	,14	,14	,6	,8	,12	,14	,12	,14	,
+	14	,14	,14	,13	,14	,14	,14	,14	,14	,14	,14	,14	,12	,15	,14	,14	,
+	14	,14	,14	,13	,14	,15	,15	,16	,16	,16	,16	,10	,14	,10	,14	,14	,
+	8	,14	,13	,11	,13	,12	,13	,12	,13	,6	,14	,14	,8	,16	,14	,14	,
+	14	,14	,13	,12	,12	,14	,14	,14	,13	,13	,14	,10	,6	,10	,16	,16
+};
+
+int scrolltext_pos = 640;
+int scrolltext_cpos = 0;
+int overlay_count = 0;
+
+void sort_overlay(int showlotl) {
+	
+	SPRT *spr;
+	SPRT_16 *spr16;
+	DR_TPAGE *tp;
+	POLY_G4 *quad;
+	LINE_G2 *line;
+	
+	int i = scrolltext_cpos;
+	int j, k, tx, par_end = 0;
+	
+	tx = scrolltext_pos;
+	
+	while( scroll_text[i] != 0 ) {
+		
+		if( scroll_text[i] == '\n' ) {
+			par_end = 1;
+			break;
+		}
+		
+		j = scroll_text[i]-32;
+		
+		if( j > 0 ) {
+			
+			spr16 = (SPRT_16*)nextpri;
+			setSprt16( spr16 );
+			setSemiTrans( spr16, 1 );
+			setXY0( spr16, tx, 28 );
+			setUV0( spr16, (j%16)<<4, (j>>4)<<4 );
+			
+			if( tx < 128 ) {
+				k = tx;
+				if( k < 0 )
+					k = 0;
+				setRGB0( spr16, k, k, k );
+			} else if( tx > 512 ) {
+				k = 128-(tx-512);
+				if( k < 0 )
+					k = 0;
+				setRGB0( spr16, k, k, k );
+			} else {
+				setRGB0( spr16, 128, 128, 128 );
+			}
+			
+			spr16->clut = font_clut;
+			addPrim( ot[db], spr16 );
+			nextpri += sizeof(SPRT_16);
+			
+		}
+		
+		tx += font_width[j];
+		
+		if( tx > 640 )
+			break;
+		
+		i++;
+		
+	}
+	
+	scrolltext_pos -= 4;
+	j = scroll_text[scrolltext_cpos]-32;
+	if( j >= 0 ) {
+		
+		if( scrolltext_pos <= -font_width[j] ) {
+			
+			scrolltext_pos += font_width[j];
+			scrolltext_cpos++;
+			
+		}
+		
+	} else {
+		
+		scrolltext_pos = 0;
+		scrolltext_cpos++;
+		
+		if( par_end )
+			scrolltext_pos = 640;
+		
+		if( scroll_text[scrolltext_cpos] == 0 ) {
+			scrolltext_cpos = 0;
+			scrolltext_pos = 640;
+		}
+		
+	}
+	
+	line = (LINE_G2*)nextpri;
+	setLineG2( line );
+	setSemiTrans( line, 1 );
+	setXY2( line, 0, 46, 320, 46 );
+	setRGB0( line, 0, 0, 0 );
+	setRGB1( line, 255, 255, 255 );
+	addPrim( ot[db], line );
+	line++;
+	setLineG2( line );
+	setSemiTrans( line, 1 );
+	setXY2( line, 320, 46, 640, 46 );
+	setRGB0( line, 255, 255, 255 );
+	setRGB1( line, 0, 0, 0 );
+	addPrim( ot[db], line );
+	line++;
+	nextpri = (char*)line;
+	
+	tp = (DR_TPAGE*)nextpri;
+	setDrawTPageVal( tp, font_tpage );
+	addPrim( ot[db], tp );
+	nextpri += sizeof(DR_TPAGE);
+	
+	quad = (POLY_G4*)nextpri;
+	setPolyG4( quad );
+	setSemiTrans( quad, 1 );
+	setXY4( quad,
+		0, 25, 320, 25,
+		0, 46, 320, 46 );
+	setRGB0( quad, 0, 0, 0 );
+	setRGB1( quad, 64, 64, 64 );
+	setRGB2( quad, 0, 0, 0 );
+	setRGB3( quad, 64, 64, 64 );
+	addPrim( ot[db], quad );
+	quad++;
+	setPolyG4( quad );
+	setSemiTrans( quad, 1 );
+	setXY4( quad,
+		320, 25, 640, 25,
+		320, 46, 640, 46 );
+	setRGB0( quad, 64, 64, 64 );
+	setRGB1( quad, 0, 0, 0 );
+	setRGB2( quad, 64, 64, 64 );
+	setRGB3( quad, 0, 0, 0 );
+	addPrim( ot[db], quad );
+	quad++;
+	nextpri = (char*)quad;
+	
+	i = isin( overlay_count )>>9;
+	
+	if( GetVideoMode() == MODE_PAL ) {
+		j = 32;
+	} else {
+		j = 0;
+	}
+	
+	tp = (DR_TPAGE*)nextpri;
+	setDrawTPageVal( tp, getTPage( 0, 2, 0, 0 )|0x200 );
+	addPrim( ot[db], tp );
+	nextpri += sizeof(DR_TPAGE);
+	
+	if( showlotl ) {
+		
+		spr = (SPRT*)nextpri;
+		*spr = llotl_sprite;
+		setXY0( spr, 440, (200+j)+i );
+		addPrim( ot[db], spr );
+		nextpri += sizeof(SPRT);
+		
+		tp = (DR_TPAGE*)nextpri;
+		setDrawTPageVal( tp, lamelotl_tpage );
+		addPrim( ot[db], tp );
+		nextpri += sizeof(DR_TPAGE);
+		
+	}
+	
+	spr = (SPRT*)nextpri;
+	*spr = psn00b_sprite;
+	setXY0( spr, 8, (400+j)-i );
+	addPrim( ot[db], spr );
+	nextpri += sizeof(SPRT);
+	
+	tp = (DR_TPAGE*)nextpri;
+	setDrawTPageVal( tp, psn00b_tpage );
+	addPrim( ot[db], tp );
+	nextpri += sizeof(DR_TPAGE);
+	
+	overlay_count += 32;
+	
+}
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