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327 lines
13 KiB
C
327 lines
13 KiB
C
#include <stdio.h>
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#include <stdbool.h>
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#include <assert.h>
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#include "buff.h"
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#pragma warning(disable : 4996) // nonsense about fopen being insecure
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#pragma warning(push)
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#pragma warning(disable : 4244) // loss of data warning
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#pragma warning(disable : 4101) // unreferenced local variable
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#include "md.h"
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#include "md.c"
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#pragma warning(pop)
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#define Log(...) { printf("Codegen: "); printf(__VA_ARGS__); }
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void dump(MD_Node* from) {
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printf("/ %.*s\n", MD_S8VArg(from->string));
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int d = 0;
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for(MD_EachNode(child, from->first_child))
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{
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printf("|-- Child %d Tag [%.*s] string[%.*s] first child string[%.*s]\n", d, MD_S8VArg(child->first_tag->string), MD_S8VArg(child->string), MD_S8VArg(child->first_child->string));
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d += 1;
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}
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}
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bool has_decimal(MD_String8 s)
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{
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for(int i = 0; i < s.size; i++)
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{
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if(s.str[i] == '.') return true;
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}
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return false;
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}
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MD_Arena *cg_arena = NULL;
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#define S8(s) MD_S8Lit(s)
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#define S8V(s) MD_S8VArg(s)
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MD_String8 ChildValue(MD_Node *n, MD_String8 name) {
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MD_Node *child_with_value = MD_ChildFromString(n, name, 0);
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assert(child_with_value);
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assert(!MD_NodeIsNil(child_with_value->first_child)); // MD_S8Lit("Must have child"));
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return child_with_value->first_child->string;
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}
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MD_String8 asset_file_path(MD_String8 filename) {
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return MD_S8Fmt(cg_arena, "%.*s/%.*s", MD_S8VArg(S8("assets")), MD_S8VArg(filename));
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}
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char *nullterm(MD_String8 s) {
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char *to_return = malloc(s.size + 1);
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memcpy(to_return, s.str, s.size);
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to_return[s.size] = '\0';
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return to_return;
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}
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char* fillnull(char *s, char c) {
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while(*s != '\0') {
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if(*s == c) {
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*s = '\0';
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return s + 1;
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}
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s++;
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}
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assert(false); // MD_S8Lit("Couldn't find char"));
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return NULL;
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}
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#define StrSame(s1, s2) MD_S8Match((s1), (s2), 0)
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#define EachString(it, first) MD_String8Node *it = (first); it != 0; it = it->next
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typedef BUFF(MD_Node*, 256) Nodes;
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MD_Node* find_by_name(Nodes *n, MD_String8 name)
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{
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MD_Node *node_with = 0;
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BUFF_ITER(MD_Node *, n)
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{
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if(StrSame((*it)->string, name))
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{
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assert(node_with == 0);
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node_with = (*it);
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}
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}
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assert(node_with);
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return node_with;
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}
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char* goto_end_of(char *tomove, size_t max_move, char *pattern) {
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size_t pattern_len = strlen(pattern);
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for(int i = 0; i < max_move; i++) {
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if(strncmp(tomove, pattern, pattern_len) == 0) {
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tomove += pattern_len;
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return tomove;
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}
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tomove++;
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}
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return NULL;
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}
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#define list_printf(list_ptr, ...) MD_S8ListPush(cg_arena, list_ptr, MD_S8Fmt(cg_arena, __VA_ARGS__))
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void dump_full(MD_Node* from)
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{
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for(MD_EachNode(node, from))
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{
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printf("@%.*s %.*s\n", MD_S8VArg(node->first_tag->string), MD_S8VArg(node->string));
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}
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/* MD_String8List output_list = {0};
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MD_DebugDumpFromNode(cg_arena, &output_list, from, 4, S8(" "), 0);
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MD_StringJoin join = (MD_StringJoin){0};
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MD_String8 debugged = MD_S8ListJoin(cg_arena, output_list , &join);
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printf("%.*s\n", MD_S8VArg(debugged));*/
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}
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#include "character_info.h"
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int main(int argc, char **argv)
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{
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cg_arena = MD_ArenaAlloc();
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assert(cg_arena);
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// do characters
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FILE *char_header = fopen("gen/characters.gen.h", "w");
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fprintf(char_header, top_of_header);
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#define GEN_TABLE(arr_elem_type, table_name, arr, str_access) { fprintf(char_header, "char *%s[] = {\n", table_name); ARR_ITER(arr_elem_type, arr) fprintf(char_header, "\"%s\",\n", str_access); fprintf(char_header, "}; // %s\n", table_name); }
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#define GEN_ENUM(arr_elem_type, arr, enum_type_name, enum_name_access, fmt_str) { fprintf(char_header, "typedef enum\n{\n"); ARR_ITER(arr_elem_type, arr) fprintf(char_header, fmt_str, enum_name_access); fprintf(char_header, "} %s;\n", enum_type_name); GEN_TABLE(arr_elem_type, enum_type_name "_names", arr, enum_name_access); }
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GEN_ENUM(char *, actions, "Action", *it, "ACT_%s,\n");
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GEN_ENUM(ItemInfo, items, "ItemKind", it->enum_name, "ITEM_%s,\n");
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// escape multiline strings in C
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fprintf(char_header, "typedef enum\n{\n");
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ARR_ITER(CharacterGen, characters)
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{
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fprintf(char_header, " NPC_%s,\n", it->enum_name);
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}
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// characters enum can be extended at site of include, not ending the enum here
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fclose(char_header);
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// do assets
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MD_String8 writeto = MD_S8Fmt(cg_arena, "gen/assets.gen.c");
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Log("Writing to %.*s\n", MD_S8VArg(writeto));
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FILE *output = fopen(nullterm(writeto), "w");
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MD_ParseResult parse = MD_ParseWholeFile(cg_arena, MD_S8Lit("assets.mdesk"));
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MD_String8List declarations_list = {0};
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MD_String8List load_list = {0};
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MD_String8List level_decl_list = {0};
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MD_String8List tileset_decls = {0};
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for(MD_EachNode(node, parse.node->first_child)) {
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if(MD_S8Match(node->first_tag->string, MD_S8Lit("sound"), 0)) {
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MD_String8 variable_name = MD_S8Fmt(cg_arena, "sound_%.*s", MD_S8VArg(node->string));
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Log("New sound variable %.*s\n", MD_S8VArg(variable_name));
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MD_String8 filepath = ChildValue(node, MD_S8Lit("filepath"));
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filepath = asset_file_path(filepath);
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assert(filepath.str != 0); // MD_S8Fmt(cg_arena, "No filepath specified for sound '%.*s'", MD_S8VArg(node->string)));
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FILE *asset_file = fopen(filepath.str, "r");
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assert(asset_file); // MD_S8Fmt(cg_arena, "Could not open filepath %.*s for asset '%.*s'", MD_S8VArg(filepath), MD_S8VArg(node->string)));
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fclose(asset_file);
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MD_S8ListPush(cg_arena, &declarations_list, MD_S8Fmt(cg_arena, "AudioSample %.*s = {0};\n", MD_S8VArg(variable_name)));
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MD_S8ListPush(cg_arena, &load_list, MD_S8Fmt(cg_arena, "%.*s = load_wav_audio(\"%.*s\");\n", MD_S8VArg(variable_name), MD_S8VArg(filepath)));
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}
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if(MD_S8Match(node->first_tag->string, MD_S8Lit("image"), 0)) {
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MD_String8 variable_name = MD_S8Fmt(cg_arena, "image_%.*s", MD_S8VArg(node->string));
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Log("New image variable %.*s\n", MD_S8VArg(variable_name));
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MD_String8 filepath = ChildValue(node, MD_S8Lit("filepath"));
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filepath = asset_file_path(filepath);
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assert(filepath.str != 0); // , MD_S8Fmt(cg_arena, "No filepath specified for image '%.*s'", MD_S8VArg(node->string)));
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FILE *asset_file = fopen(filepath.str, "r");
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assert(asset_file); // , MD_S8Fmt(cg_arena, "Could not open filepath %.*s for asset '%.*s'", MD_S8VArg(filepath), MD_S8VArg(node->string)));
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fclose(asset_file);
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MD_S8ListPush(cg_arena, &declarations_list, MD_S8Fmt(cg_arena, "sg_image %.*s = {0};\n", MD_S8VArg(variable_name)));
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MD_S8ListPush(cg_arena, &load_list, MD_S8Fmt(cg_arena, "%.*s = load_image(\"%.*s\");\n", MD_S8VArg(variable_name), MD_S8VArg(filepath)));
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}
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if(MD_S8Match(node->first_tag->string, MD_S8Lit("tileset"), 0)) {
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// not a variable anymore
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MD_String8 variable_name = MD_S8Fmt(cg_arena, "tileset_%.*s", MD_S8VArg(node->string));
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Log("New tileset %.*s\n", MD_S8VArg(variable_name));
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MD_String8 filepath = asset_file_path(ChildValue(node, MD_S8Lit("filepath")));
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MD_String8 tileset_file_contents = MD_LoadEntireFile(cg_arena, filepath);
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list_printf(&tileset_decls, "{\n", MD_S8VArg(variable_name));
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list_printf(&tileset_decls, ".first_gid = %.*s,\n", MD_S8VArg(ChildValue(node, MD_S8Lit("firstgid"))));
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list_printf(&tileset_decls, ".img = &%.*s,\n", MD_S8VArg(ChildValue(node, MD_S8Lit("image"))));
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list_printf(&tileset_decls, ".animated = {\n");
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char *end = tileset_file_contents.str + tileset_file_contents.size;
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char *cur = tileset_file_contents.str;
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int num_animated_tiles = 0;
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while(cur < end) {
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cur = goto_end_of(cur, end - cur, "<tile id=\"");
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if(cur == NULL) break;
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char *end_of_anim = goto_end_of(cur, end - cur, "</animation>");
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if(end_of_anim == NULL) break;
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char *new_cur = fillnull(cur, '"');
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int frame_from = atoi(cur);
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cur = new_cur;
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list_printf(&tileset_decls, "{ .exists = true, .id_from = %d, .frames = { ", frame_from);
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int num_frames = 0;
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while(true) {
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char *next_frame = goto_end_of(cur, end - cur, "<frame tileid=\"");
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if(end_of_anim == NULL || next_frame == NULL || next_frame > end_of_anim) break;
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char *new_cur = fillnull(next_frame, '"');
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int frame = atoi(next_frame);
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list_printf(&tileset_decls, "%d, ", frame);
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num_frames++;
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cur = new_cur;
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}
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list_printf(&tileset_decls, "}, .num_frames = %d },\n", num_frames);
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num_animated_tiles++;
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}
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if(num_animated_tiles == 0) list_printf(&tileset_decls, "0");
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list_printf(&tileset_decls, "}},\n");
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}
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if(MD_S8Match(node->first_tag->string, MD_S8Lit("level"), 0)) {
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MD_String8 variable_name = MD_S8Fmt(cg_arena, "level_%.*s", MD_S8VArg(node->string));
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Log("New level variable %.*s\n", MD_S8VArg(variable_name));
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MD_String8 filepath = asset_file_path(ChildValue(node, MD_S8Lit("filepath")));
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MD_ParseResult level_parse = MD_ParseWholeFile(cg_arena, filepath);
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assert(!MD_NodeIsNil(level_parse.node->first_child)); // , MD_S8Lit("Failed to load level file"));
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MD_Node *layers = MD_ChildFromString(level_parse.node->first_child, MD_S8Lit("layers"), 0);
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fprintf(output, "Level %.*s = {\n", MD_S8VArg(variable_name));
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MD_String8List tile_layer_decls = {0};
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for(MD_EachNode(lay, layers->first_child)) {
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MD_String8 type = MD_ChildFromString(lay, MD_S8Lit("type"), 0)->first_child->string;
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if(MD_S8Match(type, MD_S8Lit("objectgroup"), 0)) {
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fprintf(output, ".initial_entities = {\n");
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for(MD_EachNode(object, MD_ChildFromString(lay, MD_S8Lit("objects"), 0)->first_child)) {
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//dump(object);
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// negative numbers for object position aren't supported here
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MD_String8 name = MD_ChildFromString(object, MD_S8Lit("name"), 0)->first_child->string;
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MD_String8 x_string = MD_ChildFromString(object, MD_S8Lit("x"), 0)->first_child->string;
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MD_String8 y_string = MD_ChildFromString(object, MD_S8Lit("y"), 0)->first_child->string;
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y_string = MD_S8Fmt(cg_arena, "-%.*s", MD_S8VArg(y_string));
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if(has_decimal(x_string)) x_string = MD_S8Fmt(cg_arena, "%.*sf", MD_S8VArg(x_string));
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if(has_decimal(y_string)) y_string = MD_S8Fmt(cg_arena, "%.*sf", MD_S8VArg(y_string));
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MD_String8 class = MD_ChildFromString(object, MD_S8Lit("class"), 0)->first_child->string;
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if(MD_S8Match(class, MD_S8Lit("PROP"), 0))
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{
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fprintf(output, "{ .exists = true, .is_prop = true, .prop_kind = %.*s, .pos = { .X=%.*s, .Y=%.*s }, }, ", MD_S8VArg(name), MD_S8VArg(x_string), MD_S8VArg(y_string));
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}
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else if(MD_S8Match(class, MD_S8Lit("ITEM"), 0))
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{
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fprintf(output, "{ .exists = true, .is_item = true, .item_kind = ITEM_%.*s, .pos = { .X=%.*s, .Y=%.*s }, }, ", MD_S8VArg(name), MD_S8VArg(x_string), MD_S8VArg(y_string));
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}
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else if(MD_S8Match(name, MD_S8Lit("PLAYER"), 0))
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{
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fprintf(output, "{ .exists = true, .is_character = true, .pos = { .X=%.*s, .Y=%.*s }, }, ", MD_S8VArg(x_string), MD_S8VArg(y_string));
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}
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else
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{
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fprintf(output, "{ .exists = true, .is_npc = true, .npc_kind = NPC_%.*s, .pos = { .X=%.*s, .Y=%.*s }, }, ", MD_S8VArg(name), MD_S8VArg(x_string), MD_S8VArg(y_string));
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}
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}
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fprintf(output, "\n}, // entities\n");
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}
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if(MD_S8Match(type, MD_S8Lit("tilelayer"), 0)) {
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int width = atoi(nullterm(MD_ChildFromString(layers->first_child, MD_S8Lit("width"), 0)->first_child->string));
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int height = atoi(nullterm(MD_ChildFromString(layers->first_child, MD_S8Lit("height"), 0)->first_child->string));
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MD_Node *data = MD_ChildFromString(lay, MD_S8Lit("data"), 0);
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int num_index = 0;
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MD_String8List cur_layer_decl = {0};
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list_printf(&cur_layer_decl, "{ \n");
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list_printf(&cur_layer_decl, "{ ");
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for(MD_EachNode(tile_id_node, data->first_child)) {
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list_printf(&cur_layer_decl, "%.*s, ", MD_S8VArg(tile_id_node->string));
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if(num_index % width == width - 1) {
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if(MD_NodeIsNil(tile_id_node->next)) {
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list_printf(&cur_layer_decl, "},\n}, // tiles for this layer\n");
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} else {
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list_printf(&cur_layer_decl, "},\n{ ");
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}
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}
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num_index += 1;
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}
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MD_StringJoin join = MD_ZERO_STRUCT;
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MD_String8 layer_decl_string = MD_S8ListJoin(cg_arena, cur_layer_decl, &join);
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MD_S8ListPush(cg_arena, &tile_layer_decls, layer_decl_string);
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}
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}
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fprintf(output, ".tiles = {\n");
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// layer decls
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{
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MD_StringJoin join = MD_ZERO_STRUCT;
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MD_String8 layers_string = MD_S8ListJoin(cg_arena, tile_layer_decls, &join);
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fprintf(output, "%.*s\n", MD_S8VArg(layers_string));
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//MD_S8ListPush(cg_arena, &tile_layer_delcs, layer_decl_string);
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}
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fprintf(output, "} // tiles\n");
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fprintf(output, "\n}; // %.*s\n", MD_S8VArg(variable_name));
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}
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}
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MD_StringJoin join = {0};
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MD_String8 declarations = MD_S8ListJoin(cg_arena, declarations_list, &join);
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MD_String8 loads = MD_S8ListJoin(cg_arena, load_list, &join);
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fprintf(output, "%.*s\nvoid load_assets() {\n%.*s\n}\n", MD_S8VArg(declarations), MD_S8VArg(loads));
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fprintf(output, "TileSet tilesets[] = { %.*s\n };\n", MD_S8VArg(MD_S8ListJoin(cg_arena, tileset_decls, &join)));
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fclose(output);
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return 0;
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}
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