AVALANCHE: Gyro: Implement file handling.

2 files changed, 50 insertions, 3 deletions

diff --git a/engines/avalanche/gyro2.cpp b/engines/avalanche/gyro2.cpp
index 5af1670af1..04a1d1425f 100644
--- a/engines/avalanche/gyro2.cpp
+++ b/engines/avalanche/gyro2.cpp
@@ -38,6 +38,7 @@
 #include "avalanche/trip6.h"
 
 #include "common/textconsole.h"
+#include "common/file.h"
 
 //#include "dropdown.h"
 //#include "basher.h"
@@ -248,6 +249,18 @@ Gyro::Gyro() : interrogation(0), oncandopageswap(true) {
 		whereis[i] = static_const_whereis[i];
 }
 
+Gyro::~Gyro() {
+	/* These are allocated in Gyro::setup_vmc */
+
+	free(vmc.andpic);
+	free(vmc.xorpic);
+
+	for (int fv = 0; fv < 2; fv ++) {
+		free(vmc.backpic[fv]);
+	}
+
+}
+
 void Gyro::setParent(AvalancheEngine *vm) {
 	_vm = vm;
 }
@@ -467,7 +480,13 @@ void Gyro::wipe_vmc(byte page_) {
 }
 
 void Gyro::setup_vmc() {
-	warning("STUB: Gyro::setup_vmc()");
+	vmc.andpic = malloc(mouse_size);
+	vmc.xorpic = malloc(mouse_size);
+
+	for (int fv = 0; fv < 2; fv ++) {
+		vmc.backpic[fv] = malloc(mouse_size);
+		vmc.wherewas[fv].x = 32767;
+	}
 }
 
 void Gyro::clear_vmc() {
@@ -483,7 +502,28 @@ void Gyro::setminmaxvertcurspos(uint16 min, uint16 max) {
 }
 
 void Gyro::load_a_mouse(byte which) {
-	warning("STUB: Gyro::load_a_mouse()");
+	Common::File f;
+
+	if (!f.open("mice.avd")) {
+		warning("AVALANCHE: Gyro: File not found: mice.avd");
+		return;
+	}
+
+	f.seek(mouse_size * 2 * (which - 1) + 134);
+
+	for (int i = 0; i < mouse_size; i++)
+		((byte *) vmc.andpic)[i] = f.readByte();
+	
+	for (int i = 0; i < mouse_size; i++)
+		((byte *) vmc.xorpic)[i] = f.readByte();
+	
+	f.close();
+	
+	vmc.ofsx = -mps[which].horzhotspot;
+	vmc.ofsy = -mps[which].verthotspot;
+
+	setminmaxhorzcurspos(mps[which].horzhotspot, 624 + mps[which].horzhotspot);
+	setminmaxvertcurspos(mps[which].verthotspot, 199);
 }
 
 void Gyro::background(byte x) {
diff --git a/engines/avalanche/gyro2.h b/engines/avalanche/gyro2.h
index 42463504a3..719d04875f 100644
--- a/engines/avalanche/gyro2.h
+++ b/engines/avalanche/gyro2.h
@@ -224,10 +224,15 @@ struct quasiped_type {
 
 typedef byte tunetype[31];
 
+
+struct PointType {
+	int16 x, y;
+};
+
 struct vmctype { /* Virtual Mouse Cursor */
 	void *andpic, *xorpic;
 	void *backpic[2];
-	void* wherewas[2];
+	PointType wherewas[2];
 	byte picnumber;
 	int8 ofsx, ofsy;
 };
@@ -607,6 +612,8 @@ public:
 
 	Gyro();
 
+	~Gyro();
+
 	void setParent(AvalancheEngine *vm);
 
 	void newpointer(byte m);