120 lines
2.6 KiB
C
120 lines
2.6 KiB
C
// Copyright © 2017 Project Golan, all rights reserved.
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#include "g_stage.h"
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#include "g_object.h"
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#include "m_binio.h"
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#include "m_str.h"
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#include <Doominati.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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// Extern Objects ------------------------------------------------------------|
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char const *G_place = u8"地球軌道・朝";
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// Static Functions ----------------------------------------------------------|
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//
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// G_Stage_readSector
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//
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static void G_Stage_readSector(FILE *fp, G_stage *s, hword *size, mword time)
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{
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*size -= 4 * 4;
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G_mfsec sec;
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sec.x = M_IO_ReadLE4k(fp);
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sec.y = M_IO_ReadLE4k(fp);
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sec.w = M_IO_ReadLE4k(fp);
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sec.h = M_IO_ReadLE4k(fp);
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M_Vec_grow(s->map, 1);
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M_Vec_next(s->map) = (G_mfptr){time, {.sec = sec}, G_Sector_Create};
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}
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//
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// G_Stage_readEntity
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//
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static void G_Stage_readEntity(FILE *fp, G_stage *s, hword *size, mword time, char *name)
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{
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*size -= 4 * 2;
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G_mfent ent;
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ent.x = M_IO_ReadLE4k(fp);
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ent.y = M_IO_ReadLE4k(fp);
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M_strbufcpy(ent.name, name);
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M_Vec_grow(s->map, 1);
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M_Vec_next(s->map) = (G_mfptr){time, {.ent = ent}, G_Entity_Create};
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}
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// Extern Functions ----------------------------------------------------------|
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//
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// G_Stage_LoadMap
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//
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G_stage G_Stage_LoadMap(char const *fname)
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{
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FILE *fp = fopen(fname, "r");
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char *name = NULL;
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char magic[8];
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G_stage s = {};
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if(!fp) {
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fprintf(stderr, "Stage: invalid file '%s'\n", fname);
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goto done;
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}
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fread(magic, 1, 8, fp);
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if(memcmp(magic, "Gmf0\r\n\xF7\0", 8) != 0) {
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fprintf(stderr, "Stage: invalid file header in '%s'\n", fname);
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goto done;
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}
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do {
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mword time = M_IO_ReadLE4u(fp);
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mbyte slen = fgetc(fp);
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name = realloc(name, slen);
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fread(name, 1, slen, fp);
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hword size = M_IO_ReadLE2u(fp);
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if(time == 0 && slen == 0 && size == 0)
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break;
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if(M_membufcmp(name, "Sector") == 0 && size >= 4 * 4)
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G_Stage_readSector(fp, &s, &size, time);
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else if(size >= 4 * 2)
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G_Stage_readEntity(fp, &s, &size, time, name);
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if(size) fseek(fp, size, SEEK_CUR);
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}
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while(!feof(fp));
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done:
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free(name);
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fclose(fp);
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return s;
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}
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//
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// G_Stage_Begin
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//
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void G_Stage_Begin(unsigned stagenum)
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{
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printf("Stage: Beginning stage %u.\n", stagenum);
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G_stage s = G_Stage_LoadMap("maps/base.gmf0");
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for(int i = 0; i < s.mapC; i++)
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s.mapV[i].proc(&s.mapV[i].data);
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M_Vec_clear(s.map);
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printf("Stage: Done loading, splitting blockmap.\n");
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DGE_BlockMap_Split(16, 1);
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printf("Stage: Done loading stage %u.\n", stagenum);
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}
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// EOF
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