pload.c

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/*
 *  Packet loader (Library\Source\Pload.c).
 *
 *  Retail object 0x446580-0x44670F (link order; see docs/ORDER.md).
 */
#include "game.h"
 
/* Function start: 0x446580 */
void ResetStringBuilder(TextContext *context)
{
    context->textCursor = context->text;
    *context->textCursor = 0;
}
 
/* Function start: 0x4465A0 */
void *PacketLoad(const char *filename, short section,
                 void *destination, short flags,
                 void *decompressionWorkspace,
                 int registerHandle)
{
    unsigned char *data;
    PacketSectionHandle handle;
 
    data = 0;
    if (OpenPacketSection(filename, section, &handle) != 0) {
        switch (handle.compression) {
        case 1:
            SystemDebugPrintf(
                "[SYSTEM] : ERROR\n"
                "Library\\Source\\Pload.c PacketLoad  Compressed data in '%s'\n",
                filename);
            SystemDebugPrintf("[SYSTEM] : Exiting prematurely\n");
            ClearDebugPauseFlags();
            PumpMessagesDuringWait();
            exit(0);
            break;
        default:
            if (handle.dataSize == 0) {
                data = 0;
                g_nPacketError = 8;
                break;
            }
            data = destination;
            if (data == 0) {
                g_26_pLibraryCurrentLastPacketAllocation = AllocateTaggedMemory(
                    handle.dataSize, (short)(flags | 0x40));
                data = g_26_pLibraryCurrentLastPacketAllocation;
                if (data == 0)
                    g_nPacketError = 4;
            }
            if (data != 0) {
                if (registerHandle != 0 &&
                    IsPushedPacketHandle(data) == 0)
                    exit_squadron(
                        "qq PacketLoad with non-pushed dest");
                if (ReadPacketSectionData(
                        &handle, data, handle.dataSize) == 0)
                    data = 0;
            }
            break;
        }
        CloseDataFileByHandle((unsigned short *)&handle);
    }
    return data;
}