player: limit data sizes for resources and population

- All platforms should allow for the same resources.
- Population is not expected to exceed UCHAR_MAX on any platform.

src/player/inc/human_player.h

@@ -9,6 +9,7 @@
 #include <peripheral.h>
 #include <player.h>
 #include <stdbool.h>
+#include <stdint.h>
 #include <stddef.h>
 
 #ifdef __cplusplus
@@ -60,7 +61,7 @@ struct human_player
 
     size_t n_sel;
     bool top_gui;
-    unsigned long gui_res[MAX_RESOURCE_TYPES];
+    uint32_t gui_res[MAX_RESOURCE_TYPES];
 };
 
 int human_player_init(const struct human_player_cfg *cfg, struct human_player *h);

src/player/inc/player.h

@@ -36,8 +36,8 @@ struct player
     bool alive;
     struct unit units[PLAYER_MAX_UNITS];
     struct building buildings[PLAYER_MAX_BUILDINGS];
-    unsigned long resources[MAX_RESOURCE_TYPES];
-    size_t pop, bpop;
+    uint32_t resources[MAX_RESOURCE_TYPES];
+    unsigned char pop, bpop;
 
     struct
     {

src/player/src/human_player.c

@@ -726,6 +726,8 @@ int human_player_init(const struct human_player_cfg *const cfg,
     cursor_init(&h->cam.cursor);
     h->cam.dim = cfg->dim;
     h->top_gui = true;
+    UTIL_STATIC_ASSERT(sizeof h->gui_res == sizeof h->pl.resources,
+        "unexpected sizeof for h->gui_res");
     memmove(h->gui_res, h->pl.resources, sizeof h->gui_res);
     return 0;
 }