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-rw-r--r--engines/dreamweb/dreamgen.cpp40
-rw-r--r--engines/dreamweb/dreamgen.h3
-rw-r--r--engines/dreamweb/stubs.h2
-rw-r--r--engines/dreamweb/vgafades.cpp23
4 files changed, 25 insertions, 43 deletions
diff --git a/engines/dreamweb/dreamgen.cpp b/engines/dreamweb/dreamgen.cpp
index 4560c15055..6c605e6295 100644
--- a/engines/dreamweb/dreamgen.cpp
+++ b/engines/dreamweb/dreamgen.cpp
@@ -2843,45 +2843,6 @@ endearly2:
cx = pop();
}
-void DreamGenContext::fadecalculation() {
- STACK_CHECK;
- _cmp(data.byte(kFadecount), 0);
- if (flags.z())
- goto nomorefading;
- bl = data.byte(kFadecount);
- es = data.word(kBuffers);
- si = (0+(228*13)+32+60+(32*32)+(11*10*3));
- di = (0+(228*13)+32+60+(32*32)+(11*10*3)+768);
- cx = 768;
-fadecolloop:
- al = es.byte(si);
- ah = es.byte(di);
- _cmp(al, ah);
- if (flags.z())
- goto gotthere;
- if (flags.c())
- goto lesscolour;
- _dec(es.byte(si));
- goto gotthere;
-lesscolour:
- _cmp(bl, ah);
- if (flags.z())
- goto withit;
- if (!flags.c())
- goto gotthere;
-withit:
- _inc(es.byte(si));
-gotthere:
- _inc(si);
- _inc(di);
- if (--cx)
- goto fadecolloop;
- _dec(data.byte(kFadecount));
- return;
-nomorefading:
- data.byte(kFadedirection) = 0;
-}
-
void DreamGenContext::greyscalesum() {
STACK_CHECK;
es = data.word(kBuffers);
@@ -16189,7 +16150,6 @@ void DreamGenContext::__dispatch_call(uint16 addr) {
case addr_showgun: showgun(); break;
case addr_rollendcredits2: rollendcredits2(); break;
case addr_rollem: rollem(); break;
- case addr_fadecalculation: fadecalculation(); break;
case addr_greyscalesum: greyscalesum(); break;
case addr_showgroup: showgroup(); break;
case addr_allpalette: allpalette(); break;
diff --git a/engines/dreamweb/dreamgen.h b/engines/dreamweb/dreamgen.h
index e6c105f466..564b52ed57 100644
--- a/engines/dreamweb/dreamgen.h
+++ b/engines/dreamweb/dreamgen.h
@@ -502,7 +502,6 @@ public:
static const uint16 addr_allpalette = 0xc2a4;
static const uint16 addr_showgroup = 0xc290;
static const uint16 addr_greyscalesum = 0xc28c;
- static const uint16 addr_fadecalculation = 0xc288;
static const uint16 addr_rollem = 0xc284;
static const uint16 addr_rollendcredits2 = 0xc280;
static const uint16 addr_showgun = 0xc27c;
@@ -1857,7 +1856,7 @@ public:
void usechurchhole();
void searchforfiles();
void monkspeaking();
- void fadecalculation();
+ //void fadecalculation();
//void waitframes();
void clearrest();
//void getreelframeax();
diff --git a/engines/dreamweb/stubs.h b/engines/dreamweb/stubs.h
index 4cdd11da8a..2fcb914e0f 100644
--- a/engines/dreamweb/stubs.h
+++ b/engines/dreamweb/stubs.h
@@ -263,5 +263,5 @@
void endpaltostart();
void startpaltoend();
void paltoendpal();
-
+ void fadecalculation();
diff --git a/engines/dreamweb/vgafades.cpp b/engines/dreamweb/vgafades.cpp
index 79a7cce389..abb1a9b1a6 100644
--- a/engines/dreamweb/vgafades.cpp
+++ b/engines/dreamweb/vgafades.cpp
@@ -56,5 +56,28 @@ void DreamGenContext::paltoendpal() {
memcpy(endPalette(), mainPalette(), 256*3);
}
+void DreamGenContext::fadecalculation() {
+ if (data.byte(kFadecount) == 0) {
+ data.byte(kFadedirection) = 0;
+ return;
+ }
+
+ uint8 *startPal = startPalette();
+ const uint8 *endPal = endPalette();
+ for (size_t i = 0; i < 256 * 3; ++i, ++si, ++di) {
+ uint8 s = startPal[i];
+ uint8 e = endPal[i];
+ if (s == e)
+ continue;
+ else if (s > e)
+ --startPal[i];
+ else {
+ if (data.byte(kFadecount) <= e)
+ ++startPal[i];
+ }
+ }
+ --data.byte(kFadecount);
+}
+
} /*namespace dreamgen */