- Added folder with Watcom C++ DLL project workspaces, to move some l…

…ogic from DIV code to external C DLLs: - Added base files to compile DLLs with Watcom C++ 10.6: - DIV.H. - DIV_DLL.LNK. - MAKE.BAT files, each per project, with specific setup, and main in root folder to launch compilations. - Added MATH.DLL project (sources and compiled DLL), ready to use. - Added INPUT.DLL project (sources and compiled DLL), ready to use. - Added test DLL sources and compiled DLL. - Added test PRG to test DLLs in DIV. - STRFIGHT.PRG: Fixed typos in comment header.
VisualStudioEX3 · May 24, 2020 · a12668d · a12668d
1 parent 56430c4
commit a12668d
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Showing 20 changed files with 1,822 additions and 3 deletions.
diff --git a/DLL/COMMON.CPP b/DLL/COMMON.CPP
@@ -0,0 +1,23 @@
+/* ----------------------------------------------------------------------------
+ * Common code for all DIV DLLs.
+ * (C) VisualStudioEX3, José Miguel Sánchez Fernández - 2020
+ * DIV Games Studio 2 (C) Hammer Technologies - 1998, 1999
+ * ---------------------------------------------------------------------------- */
+
+#include "common.h"
+
+char* strCase(const char* input, const int mode)
+{
+    int len = strlen(input);
+    char* output = strAlloc(len);
+
+    for(int i = 0; i < len; i++) 
+    {
+        output[i] = mode ? 
+                    tolower(input[i]) : 
+                    toupper(input[i]);
+    }
+    output[len] = '\0';
+
+    return output;
+}
diff --git a/DLL/COMMON.H b/DLL/COMMON.H
@@ -0,0 +1,42 @@
+/* ----------------------------------------------------------------------------
+ * Common code for all DIV DLLs.
+ * (C) VisualStudioEX3, José Miguel Sánchez Fernández - 2020
+ * DIV Games Studio 2 (C) Hammer Technologies - 1998, 1999
+ * ---------------------------------------------------------------------------- */
+
+#ifndef __COMMON_H_
+#define __COMMON_H_
+
+#include <stdlib.h> 
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+
+#define GLOBALS
+#include "div.h"
+
+#define TRUE            1
+#define FALSE           0
+
+#define RESULT_OK      -1
+#define RESULT_ERROR   -2
+
+// Math function macros:
+#define _min(a, b) a < b ? a : b
+#define _max(a, b) a > b ? a : b
+#define _clamp(x, a, b) x < a ? a : (x > b ? b : x)
+#define _isClamped(x, a, b) x >= a && x <= b
+
+// Gets the string parameter from DIV call:
+#define getStringParm(offset) (char*)&mem[text_offset + offset]
+// Allocate string pointer in div memory:
+#define strAlloc(len) (char*)div_malloc(len + 1)
+// Convert string to upper case:
+#define strUpr(s) strCase(s, 0)
+// Convert string to lower case:
+#define strLwr(s) strCase(s, 1)
+
+// String functions:
+char* strCase(const char* input, const int mode);
+
+#endif