1 /* Mednafen - Multi-system Emulator
2 *
3 * This program is free software; you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation; either version 2 of the License, or
6 * (at your option) any later version.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16 */
17
18 #include "mednafen.h"
19 #include <trio/trio.h>
20
21 #include "video.h"
22 #include "player.h"
23
24 namespace Mednafen
25 {
26
27 static std::string AlbumName, Artist, Copyright;
28 static std::vector<std::string> SongNames;
29 static int TotalSongs;
30
31 template<typename T>
FastDrawLine(T * buf,int32 pitch,uint32 color,uint32 bmatch,uint32 breplace,const int xs,const int ys,const int ydelta)32 static INLINE void FastDrawLine(T* buf, int32 pitch, uint32 color, uint32 bmatch, uint32 breplace, const int xs, const int ys, const int ydelta)
33 {
34 int y = ys;
35 int y_inc = (ydelta < 0) ? -1 : 1;
36 unsigned i_bound = abs(ydelta); // No +1, or we'll overflow our buffer(we compensate in our calculation of half_point).
37 unsigned half_point = (i_bound + 1) >> 1;
38
39 for(unsigned i = 0; i <= half_point; i++, y += y_inc)
40 {
41 if(bmatch != ~0U)
42 {
43 uint32 tmpcolor = color;
44
45 if(buf[xs + y * pitch] == bmatch)
46 tmpcolor = breplace;
47
48 if(buf[xs + y * pitch] != breplace)
49 buf[xs + y * pitch] = tmpcolor;
50 }
51 else
52 buf[xs + y * pitch] = color;
53 }
54 y -= y_inc;
55 for(unsigned i = half_point; i < i_bound; i++, y += y_inc)
56 {
57 if(bmatch != ~0U)
58 {
59 uint32 tmpcolor = color;
60
61 if(buf[xs + 1 + y * pitch] == bmatch)
62 tmpcolor = breplace;
63
64 if(buf[xs + 1+ y * pitch] != breplace)
65 buf[xs + 1 + y * pitch] = tmpcolor;
66 }
67 else
68 buf[xs + 1 + y * pitch] = color;
69 }
70 }
71
72 template<typename T>
DrawWaveformSub(T * const pixels,const int32 pitch,const uint32 lcolor,const uint32 rcolor,const uint32 ccolor,const int32 w,const int32 h,const int32 numchan,const int16 * soundbuf,int32 framecount)73 static void DrawWaveformSub(T* const pixels, const int32 pitch, const uint32 lcolor, const uint32 rcolor, const uint32 ccolor, const int32 w, const int32 h, const int32 numchan, const int16* soundbuf, int32 framecount)
74 {
75 // Now we draw the waveform data. It should be centered vertically, and extend the screen horizontally from left to right.
76 if(framecount)
77 {
78 const int32 x_scale = (framecount << 8) / w;
79 const int32 y_scale = -h;
80 int lastX, lastY;
81
82 for(int wc = 0; wc < numchan; wc++)
83 {
84 uint32 color = wc ? rcolor : lcolor;
85
86 if(numchan == 1)
87 color = ccolor;
88
89 lastX = -1;
90 lastY = 0;
91
92 for(int x = 0; x < w; x++)
93 {
94 const int32 samp = soundbuf[wc + (x * x_scale >> 8) * numchan];
95 int ypos;
96
97 ypos = (h / 2) + ((samp * y_scale + 0x4000) >> 15);
98 //ypos = (rand() & 0xFFF) - 0x800;
99
100 if(ypos < 0)
101 ypos = 0;
102
103 if(ypos >= h)
104 ypos = h - 1;
105
106 if(lastX >= 0)
107 FastDrawLine(pixels, pitch, color, wc ? lcolor : ~0U, ccolor, lastX, lastY, ypos - lastY);
108
109 lastX = x;
110 lastY = ypos;
111 }
112 }
113 }
114 }
115
DrawWaveform(MDFN_Surface * surface,const MDFN_Rect & dr,const int32 numchan,const int16 * soundbuf,const int32 framecount)116 static INLINE void DrawWaveform(MDFN_Surface* surface, const MDFN_Rect& dr, const int32 numchan, const int16* soundbuf, const int32 framecount)
117 {
118 const uint32 left_color = surface->MakeColor(0x80, 0x80, 0xFF);
119 const uint32 right_color = surface->MakeColor(0x80, 0xFF, 0x80);
120 const uint32 center_color = surface->MakeColor(0x80, 0xCC, 0xCC);
121
122 switch(surface->format.bpp)
123 {
124 case 8:
125 // TODO(colors):
126 DrawWaveformSub(surface->pix<uint8>() + dr.x + dr.y * surface->pitchinpix, surface->pitchinpix, left_color, right_color, center_color, dr.w, dr.h, numchan, soundbuf, framecount);
127 break;
128
129 case 16:
130 DrawWaveformSub(surface->pix<uint16>() + dr.x + dr.y * surface->pitchinpix, surface->pitchinpix, left_color, right_color, center_color, dr.w, dr.h, numchan, soundbuf, framecount);
131 break;
132
133 case 32:
134 DrawWaveformSub(surface->pix<uint32>() + dr.x + dr.y * surface->pitchinpix, surface->pitchinpix, left_color, right_color, center_color, dr.w, dr.h, numchan, soundbuf, framecount);
135 break;
136 }
137 }
138
Player_Init(int tsongs,const std::string & album,const std::string & artist,const std::string & copyright,const std::vector<std::string> & snames,bool override_gi)139 void Player_Init(int tsongs, const std::string &album, const std::string &artist, const std::string ©right, const std::vector<std::string> &snames, bool override_gi)
140 {
141 AlbumName = album;
142 Artist = artist;
143 Copyright = copyright;
144 SongNames = snames;
145
146 TotalSongs = tsongs;
147
148 if(override_gi)
149 {
150 MDFNGameInfo->nominal_width = 384;
151 MDFNGameInfo->nominal_height = 240;
152
153 MDFNGameInfo->fb_width = 384;
154 MDFNGameInfo->fb_height = 240;
155
156 MDFNGameInfo->lcm_width = 384;
157 MDFNGameInfo->lcm_height = 240;
158
159 MDFNGameInfo->GameType = GMT_PLAYER;
160 }
161 }
162
Player_Draw(MDFN_Surface * surface,MDFN_Rect * dr,int CurrentSong,int16 * soundbuf,int32 framecount)163 void Player_Draw(MDFN_Surface* surface, MDFN_Rect* dr, int CurrentSong, int16* soundbuf, int32 framecount)
164 {
165 const unsigned fontid = MDFN_FONT_9x18_18x18;
166 const uint32 text_color = surface->MakeColor(0xE8, 0xE8, 0xE8);
167 const uint32 text_shadow_color = surface->MakeColor(0x00, 0x18, 0x10);
168 //const uint32 bg_color = surface->MakeColor(0x20, 0x00, 0x08);
169
170 dr->x = 0;
171 dr->y = 0;
172 dr->w = surface->w;
173 dr->h = surface->h;
174
175 //
176 // Draw the background color
177 //
178 surface->Fill(0x20, 0x00, 0x08, 0); // FIXME: Fill() changes
179
180 DrawWaveform(surface, *dr, MDFNGameInfo->soundchan, soundbuf, framecount);
181
182 //
183 //
184 int32 text_y = 2;
185
186 DrawTextShadow(surface, 0, text_y, AlbumName, text_color, text_shadow_color, fontid, dr->w);
187 text_y += (13 + 2);
188
189 DrawTextShadow(surface, 0, text_y, Artist, text_color, text_shadow_color, fontid, dr->w);
190 text_y += (13 + 2);
191
192 DrawTextShadow(surface, 0, text_y, Copyright, text_color, text_shadow_color, fontid, dr->w);
193 text_y += (13 * 2);
194
195 // If each song has an individual name, show this song's name.
196 {
197 std::string tmpsong = "";
198
199 if((unsigned int)CurrentSong < SongNames.size())
200 tmpsong = SongNames[CurrentSong];
201
202 if(tmpsong == "" && TotalSongs > 1)
203 tmpsong = std::string(_("Song:"));
204
205 DrawTextShadow(surface, 0, text_y, tmpsong, text_color, text_shadow_color, fontid, dr->w);
206 }
207 text_y += (13 + 2);
208
209 if(TotalSongs > 1)
210 {
211 char snbuf[32];
212 trio_snprintf(snbuf, 32, "<%d/%d>", CurrentSong + 1, TotalSongs);
213 DrawTextShadow(surface, 0, text_y, snbuf, text_color, text_shadow_color, fontid, dr->w);
214 }
215 }
216
217 }
218