Implement parts shop (#151)

* Change type of last argument of TransBrPixelmapText from 'signed char*' to 'char*'

* Implement parts shop

Author: madebr

src/DETHRACE/common/displays.c

@@ -1541,7 +1541,7 @@ void OoerrIveGotTextInMeBoxMissus(int pFont_index, char* pText, br_pixelmap* pPi
 }
 
 // IDA: void __usercall TransBrPixelmapText(br_pixelmap *pPixelmap@<EAX>, int pX@<EDX>, int pY@<EBX>, br_uint_32 pColour@<ECX>, br_font *pFont, signed char *pText)
-void TransBrPixelmapText(br_pixelmap* pPixelmap, int pX, int pY, br_uint_32 pColour, br_font* pFont, signed char* pText) {
+void TransBrPixelmapText(br_pixelmap* pPixelmap, int pX, int pY, br_uint_32 pColour, br_font* pFont, char* pText) {
     int len;
     LOG_TRACE("(%p, %d, %d, %d, %p, %p)", pPixelmap, pX, pY, pColour, pFont, pText);
 

src/DETHRACE/common/displays.h

@@ -118,7 +118,7 @@ void DrawRRectangle(br_pixelmap* pPixelmap, int pLeft, int pTop, int pRight, int
 
 void OoerrIveGotTextInMeBoxMissus(int pFont_index, char* pText, br_pixelmap* pPixelmap, int pLeft, int pTop, int pRight, int pBottom, int pCentred);
 
-void TransBrPixelmapText(br_pixelmap* pPixelmap, int pX, int pY, br_uint_32 pColour, br_font* pFont, signed char* pText);
+void TransBrPixelmapText(br_pixelmap* pPixelmap, int pX, int pY, br_uint_32 pColour, br_font* pFont, char* pText);
 
 void TransDRPixelmapText(br_pixelmap* pPixelmap, int pX, int pY, tDR_font* pFont, char* pText, int pRight_edge);
 

src/DETHRACE/common/init.c

@@ -529,7 +529,7 @@ void InitRace() {
     ResetRecoveryVouchers();
     gMap_mode = 0;
     gProgram_state.cockpit_image_index = 0;
-    if (gNet_mode) {
+    if (gNet_mode != eNet_mode_none) {
         gNet_cash_headup = NewTextHeadupSlot(13, 0, 0, -6, "");
         gNet_ped_headup = NewTextHeadupSlot(14, 0, 0, -6, "");
     } else {

src/DETHRACE/common/loading.c

@@ -2748,15 +2748,37 @@ void LoadParts() {
     int i;
     int j;
     LOG_TRACE("()");
-    NOT_IMPLEMENTED();
+
+    for (i = 0; i < eParts_count; i++) {
+        for (j = 0; j < gProgram_state.current_car.power_ups[i].number_of_parts; j++) {
+            if (gProgram_state.current_car.power_ups[i].info[j].data_ptr == NULL) {
+                PossibleService();
+                if (!LoadFlicData(
+                        gProgram_state.current_car.power_ups[i].info[j].part_name,
+                        &gProgram_state.current_car.power_ups[i].info[j].data_ptr,
+                        &gProgram_state.current_car.power_ups[i].info[j].data_length)) {
+                    FatalError(58);
+                }
+            } else {
+                MAMSLock((void**)&gProgram_state.current_car.power_ups[i].info[j].data_ptr);
+            }
+        }
+    }
 }
 
 // IDA: void __cdecl UnlockParts()
 void UnlockParts() {
     int i;
     int j;
     LOG_TRACE("()");
-    NOT_IMPLEMENTED();
+
+    for (i = 0; i < eParts_count; i++) {
+        for (j = 0; j < gProgram_state.current_car.power_ups[i].number_of_parts; j++) {
+            if (gProgram_state.current_car.power_ups[i].info[j].data_ptr != NULL) {
+                MAMSUnlock((void**)&gProgram_state.current_car.power_ups[i].info[j].data_ptr);
+            }
+        }
+    }
 }
 
 // IDA: br_pixelmap* __cdecl LoadChromeFont()