aboutsummaryrefslogtreecommitdiff
path: root/engines/lab/vga.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'engines/lab/vga.cpp')
-rw-r--r--engines/lab/vga.cpp107
1 files changed, 52 insertions, 55 deletions
diff --git a/engines/lab/vga.cpp b/engines/lab/vga.cpp
index 013b6ee9a6..5e1a1e828a 100644
--- a/engines/lab/vga.cpp
+++ b/engines/lab/vga.cpp
@@ -28,6 +28,7 @@
*
*/
+#include "lab/lab.h"
#include "lab/vga.h"
#include "lab/stddefines.h"
#include "lab/mouse.h"
@@ -38,12 +39,8 @@
namespace Lab {
-static byte curvgapal[256 * 3];
-static unsigned char curapen = 0;
-
-uint32 VGAScreenWidth = 320UL,
- VGAScreenHeight = 200UL,
- VGABytesPerPage = 65536UL;
+static byte _curvgapal[256 * 3];
+static unsigned char _curapen = 0;
byte *VGABASEADDRESS = 0;
@@ -71,16 +68,16 @@ bool createScreen(bool HiRes) {
VGABASEADDRESS = 0;
if (HiRes) {
- VGAScreenWidth = 640;
- VGAScreenHeight = 480;
+ g_lab->_screenWidth = 640;
+ g_lab->_screenHeight = 480;
} else {
- VGAScreenWidth = 320;
- VGAScreenHeight = 200;
+ g_lab->_screenWidth = 320;
+ g_lab->_screenHeight = 200;
}
- VGABytesPerPage = VGAScreenWidth * VGAScreenHeight;
+ g_lab->_screenBytesPerPage = g_lab->_screenWidth * g_lab->_screenHeight;
- g_DisplayBuffer = (byte *)malloc(VGABytesPerPage);
- g_Pixels = (byte *)calloc(VGABytesPerPage, 4);
+ g_DisplayBuffer = (byte *)malloc(g_lab->_screenBytesPerPage);
+ g_Pixels = (byte *)calloc(g_lab->_screenBytesPerPage, 4);
return true;
}
@@ -138,8 +135,8 @@ void WSDL_ProcessInput(bool can_delay) {
g_MouseX = 0;
g_MouseAtEdge = true;
}
- if (g_MouseX > VGAScreenWidth - 1) {
- g_MouseX = VGAScreenWidth;
+ if (g_MouseX > g_lab->_screenWidth - 1) {
+ g_MouseX = g_lab->_screenWidth;
g_MouseAtEdge = true;
}
@@ -148,8 +145,8 @@ void WSDL_ProcessInput(bool can_delay) {
g_MouseY = 0;
g_MouseAtEdge = true;
}
- if (g_MouseY > VGAScreenHeight - 1) {
- g_MouseY = VGAScreenHeight;
+ if (g_MouseY > g_lab->_screenHeight - 1) {
+ g_MouseY = g_lab->_screenHeight;
g_MouseAtEdge = true;
}
@@ -188,7 +185,7 @@ void WSDL_ProcessInput(bool can_delay) {
break;
}
- g_system->copyRectToScreen(g_DisplayBuffer, VGAScreenWidth, 0, 0, VGAScreenWidth, VGAScreenHeight);
+ g_system->copyRectToScreen(g_DisplayBuffer, g_lab->_screenWidth, 0, 0, g_lab->_screenWidth, g_lab->_screenHeight);
g_system->updateScreen();
}
}
@@ -208,7 +205,7 @@ void waitTOF() {
int untilOutOfRefresh = 1;
if (g_ScreenWasLocked || untilOutOfRefresh) {
- g_system->copyRectToScreen(g_DisplayBuffer, VGAScreenWidth, 0, 0, VGAScreenWidth, VGAScreenHeight);
+ g_system->copyRectToScreen(g_DisplayBuffer, g_lab->_screenWidth, 0, 0, g_lab->_screenWidth, g_lab->_screenHeight);
g_system->updateScreen();
}
@@ -249,12 +246,12 @@ void WSDL_SetColors(byte *buf, uint16 first, uint16 numreg, uint16 slow) {
/*****************************************************************************/
void writeColorRegs(byte *buf, uint16 first, uint16 numreg) {
WSDL_SetColors(buf, first, numreg, 0);
- memcpy(&(curvgapal[first * 3]), buf, numreg * 3);
+ memcpy(&(_curvgapal[first * 3]), buf, numreg * 3);
}
void writeColorRegsSmooth(byte *buf, uint16 first, uint16 numreg) {
WSDL_SetColors(buf, first, numreg, 1);
- memcpy(&(curvgapal[first * 3]), buf, numreg * 3);
+ memcpy(&(_curvgapal[first * 3]), buf, numreg * 3);
}
/*****************************************************************************/
@@ -267,7 +264,7 @@ void writeColorReg(byte *buf, uint16 regnum) {
}
void VGASetPal(void *cmap, uint16 numcolors) {
- if (memcmp(cmap, curvgapal, numcolors * 3) != 0)
+ if (memcmp(cmap, _curvgapal, numcolors * 3) != 0)
writeColorRegs((byte *)cmap, 0, numcolors);
}
@@ -283,7 +280,7 @@ void WSDL_IgnoreUpdateDisplay(int state) {
void WSDL_UpdateScreen() {
if (g_ScreenWasLocked && !g_IgnoreUpdateDisplay) {
- g_system->copyRectToScreen(g_DisplayBuffer, VGAScreenWidth, 0, 0, VGAScreenWidth, VGAScreenHeight);
+ g_system->copyRectToScreen(g_DisplayBuffer, g_lab->_screenWidth, 0, 0, g_lab->_screenWidth, g_lab->_screenHeight);
g_system->updateScreen();
}
@@ -326,20 +323,20 @@ void drawImage(Image *Im, uint16 x, uint16 y) {
dy = 0;
}
- if ((uint)(dx + w) > VGAScreenWidth)
- w = VGAScreenWidth - dx;
+ if ((uint)(dx + w) > g_lab->_screenWidth)
+ w = g_lab->_screenWidth - dx;
- if ((uint)(dy + h) > VGAScreenHeight)
- h = VGAScreenHeight - dy;
+ if ((uint)(dy + h) > g_lab->_screenHeight)
+ h = g_lab->_screenHeight - dy;
if (w > 0 && h > 0) {
byte *s = Im->ImageData + sy * Im->Width + sx;
- byte *d = getVGABaseAddr() + dy * VGAScreenWidth + dx;
+ byte *d = getVGABaseAddr() + dy * g_lab->_screenWidth + dx;
while (h-- > 0) {
memcpy(d, s, w);
s += Im->Width;
- d += VGAScreenWidth;
+ d += g_lab->_screenWidth;
}
}
}
@@ -369,15 +366,15 @@ void drawMaskImage(Image *Im, uint16 x, uint16 y) {
dy = 0;
}
- if ((uint)(dx + w) > VGAScreenWidth)
- w = VGAScreenWidth - dx;
+ if ((uint)(dx + w) > g_lab->_screenWidth)
+ w = g_lab->_screenWidth - dx;
- if ((uint)(dy + h) > VGAScreenHeight)
- h = VGAScreenHeight - dy;
+ if ((uint)(dy + h) > g_lab->_screenHeight)
+ h = g_lab->_screenHeight - dy;
if (w > 0 && h > 0) {
byte *s = Im->ImageData + sy * Im->Width + sx;
- byte *d = getVGABaseAddr() + dy * VGAScreenWidth + dx;
+ byte *d = getVGABaseAddr() + dy * g_lab->_screenWidth + dx;
while (h-- > 0) {
byte *ss = s;
@@ -392,7 +389,7 @@ void drawMaskImage(Image *Im, uint16 x, uint16 y) {
}
s += Im->Width;
- d += VGAScreenWidth;
+ d += g_lab->_screenWidth;
}
}
}
@@ -422,20 +419,20 @@ void readScreenImage(Image *Im, uint16 x, uint16 y) {
dy = 0;
}
- if ((uint)(dx + w) > VGAScreenWidth)
- w = VGAScreenWidth - dx;
+ if ((uint)(dx + w) > g_lab->_screenWidth)
+ w = g_lab->_screenWidth - dx;
- if ((uint)(dy + h) > VGAScreenHeight)
- h = VGAScreenHeight - dy;
+ if ((uint)(dy + h) > g_lab->_screenHeight)
+ h = g_lab->_screenHeight - dy;
if (w > 0 && h > 0) {
byte *s = Im->ImageData + sy * Im->Width + sx;
- byte *d = getVGABaseAddr() + dy * VGAScreenWidth + dx;
+ byte *d = getVGABaseAddr() + dy * g_lab->_screenWidth + dx;
while (h-- > 0) {
memcpy(s, d, w);
s += Im->Width;
- d += VGAScreenWidth;
+ d += g_lab->_screenWidth;
}
}
}
@@ -575,7 +572,7 @@ void scrollDisplayY(int16 dy, uint16 x1, uint16 y1, uint16 x2, uint16 y2) {
/* Sets the pen number to use on all the drawing operations. */
/*****************************************************************************/
void setAPen(uint16 pennum) {
- curapen = (unsigned char)pennum;
+ _curapen = (unsigned char)pennum;
}
/*****************************************************************************/
@@ -599,24 +596,24 @@ void rectFill(uint16 x1, uint16 y1, uint16 x2, uint16 y2) {
dy = 0;
}
- if ((uint)(dx + w) > VGAScreenWidth)
- w = VGAScreenWidth - dx;
+ if ((uint)(dx + w) > g_lab->_screenWidth)
+ w = g_lab->_screenWidth - dx;
- if ((uint)(dy + h) > VGAScreenHeight)
- h = VGAScreenHeight - dy;
+ if ((uint)(dy + h) > g_lab->_screenHeight)
+ h = g_lab->_screenHeight - dy;
if (w > 0 && h > 0) {
- char *d = (char *)getVGABaseAddr() + dy * VGAScreenWidth + dx;
+ char *d = (char *)getVGABaseAddr() + dy * g_lab->_screenWidth + dx;
while (h-- > 0) {
char *dd = d;
int ww = w;
while (ww-- > 0) {
- *dd++ = curapen;
+ *dd++ = _curapen;
}
- d += VGAScreenWidth;
+ d += g_lab->_screenWidth;
}
}
}
@@ -656,14 +653,14 @@ void ghoastRect(uint16 pencolor, uint16 x1, uint16 y1, uint16 x2, uint16 y2) {
dy = 0;
}
- if ((uint)(dx + w) > VGAScreenWidth)
- w = VGAScreenWidth - dx;
+ if ((uint)(dx + w) > g_lab->_screenWidth)
+ w = g_lab->_screenWidth - dx;
- if ((uint)(dy + h) > VGAScreenHeight)
- h = VGAScreenHeight - dy;
+ if ((uint)(dy + h) > g_lab->_screenHeight)
+ h = g_lab->_screenHeight - dy;
if (w > 0 && h > 0) {
- char *d = (char *)getVGABaseAddr() + dy * VGAScreenWidth + dx;
+ char *d = (char *)getVGABaseAddr() + dy * g_lab->_screenWidth + dx;
while (h-- > 0) {
char *dd = d;
@@ -680,7 +677,7 @@ void ghoastRect(uint16 pencolor, uint16 x1, uint16 y1, uint16 x2, uint16 y2) {
ww -= 2;
}
- d += VGAScreenWidth;
+ d += g_lab->_screenWidth;
dy++;
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-03-29 19:26:50 +0000